Finding the Fourth Proportional to 72,526.50, 108,956.52 and 51,517.62

Step by Step Solution

1. Step 1: Write the proportion equation
   72,526.50 : 108,956.52 = 51,517.62 : x
2. Step 2: Convert to fraction form
   72,526.50/108,956.52 = 51,517.62/x
3. Step 3: Cross multiply
   72,526.50x = 108,956.52 × 51,517.62
4. Step 4: Simplify right side
   72,526.50x = 5,613,180,593.88
5. Step 5: Solve for x
   x = 5,613,180,593.88/72,526.50
6. Step 6: Final answer
   x = 77,394.89