Finding the Fourth Proportional to 47,578,861.68, 71,368,058.52 and 13,500,269.52

Step by Step Solution

1. Step 1: Write the proportion equation
   47,578,861.68 : 71,368,058.52 = 13,500,269.52 : x
2. Step 2: Convert to fraction form
   47,578,861.68/71,368,058.52 = 13,500,269.52/x
3. Step 3: Cross multiply
   47,578,861.68x = 71,368,058.52 × 13,500,269.52
4. Step 4: Simplify right side
   47,578,861.68x = 963,488,025,139,132.25
5. Step 5: Solve for x
   x = 963,488,025,139,132.25/47,578,861.68
6. Step 6: Final answer
   x = 20,250,337.88