Finding the Fourth Proportional to 72,527, 108,957.27 and 51,518.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,527 : 108,957.27 = 51,518.12 : x
2. Step 2: Convert to fraction form
   72,527/108,957.27 = 51,518.12/x
3. Step 3: Cross multiply
   72,527x = 108,957.27 × 51,518.12
4. Step 4: Simplify right side
   72,527x = 5,613,273,710.73
5. Step 5: Solve for x
   x = 5,613,273,710.73/72,527
6. Step 6: Final answer
   x = 77,395.64