Finding the Fourth Proportional to 21,094,483.50, 31,799,832.63 and 19,688,318.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,094,483.50 : 31,799,832.63 = 19,688,318.59 : x
2. Step 2: Convert to fraction form
   21,094,483.50/31,799,832.63 = 19,688,318.59/x
3. Step 3: Cross multiply
   21,094,483.50x = 31,799,832.63 × 19,688,318.59
4. Step 4: Simplify right side
   21,094,483.50x = 626,085,235,744,958.50
5. Step 5: Solve for x
   x = 626,085,235,744,958.50/21,094,483.50
6. Step 6: Final answer
   x = 29,680,045.77