Finding the Fourth Proportional to 59,384,648.96, 89,055,124.50 and 20,513,208.68

Step by Step Solution

1. Step 1: Write the proportion equation
   59,384,648.96 : 89,055,124.50 = 20,513,208.68 : x
2. Step 2: Convert to fraction form
   59,384,648.96/89,055,124.50 = 20,513,208.68/x
3. Step 3: Cross multiply
   59,384,648.96x = 89,055,124.50 × 20,513,208.68
4. Step 4: Simplify right side
   59,384,648.96x = 1,826,806,352,891,880.75
5. Step 5: Solve for x
   x = 1,826,806,352,891,880.75/59,384,648.96
6. Step 6: Final answer
   x = 30,762,265.75