Finding the Fourth Proportional to 72,541,128.88, 108,854,208.60 and 52,048,763.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,541,128.88 : 108,854,208.60 = 52,048,763.92 : x
2. Step 2: Convert to fraction form
   72,541,128.88/108,854,208.60 = 52,048,763.92/x
3. Step 3: Cross multiply
   72,541,128.88x = 108,854,208.60 × 52,048,763.92
4. Step 4: Simplify right side
   72,541,128.88x = 5,665,727,005,119,834
5. Step 5: Solve for x
   x = 5,665,727,005,119,834/72,541,128.88
6. Step 6: Final answer
   x = 78,103,650.89