Finding the Fourth Proportional to 72,532.50, 108,965.52 and 51,523.62

Step by Step Solution

1. Step 1: Write the proportion equation
   72,532.50 : 108,965.52 = 51,523.62 : x
2. Step 2: Convert to fraction form
   72,532.50/108,965.52 = 51,523.62/x
3. Step 3: Cross multiply
   72,532.50x = 108,965.52 × 51,523.62
4. Step 4: Simplify right side
   72,532.50x = 5,614,298,045.58
5. Step 5: Solve for x
   x = 5,614,298,045.58/72,532.50
6. Step 6: Final answer
   x = 77,403.90