Finding the Fourth Proportional to 86,886,174.30, 119,869,128.28 and 49,200,687.33

Step by Step Solution

1. Step 1: Write the proportion equation
   86,886,174.30 : 119,869,128.28 = 49,200,687.33 : x
2. Step 2: Convert to fraction form
   86,886,174.30/119,869,128.28 = 49,200,687.33/x
3. Step 3: Cross multiply
   86,886,174.30x = 119,869,128.28 × 49,200,687.33
4. Step 4: Simplify right side
   86,886,174.30x = 5,897,643,501,023,941
5. Step 5: Solve for x
   x = 5,897,643,501,023,941/86,886,174.30
6. Step 6: Final answer
   x = 67,877,813.11