Finding the Fourth Proportional to 291,898,737,093.87, 437,688,490,116.69 and 231,779,204,188.86

Step by Step Solution

1. Step 1: Write the proportion equation
   291,898,737,093.87 : 437,688,490,116.69 = 231,779,204,188.86 : x
2. Step 2: Convert to fraction form
   291,898,737,093.87/437,688,490,116.69 = 231,779,204,188.86/x
3. Step 3: Cross multiply
   291,898,737,093.87x = 437,688,490,116.69 × 231,779,204,188.86
4. Step 4: Simplify right side
   291,898,737,093.87x = 101,447,089,921,870,123,761,664
5. Step 5: Solve for x
   x = 101,447,089,921,870,123,761,664/291,898,737,093.87
6. Step 6: Final answer
   x = 347,542,065,210.26