Finding the Fourth Proportional to 112,957.52, 155,900.08 and 62,672.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,957.52 : 155,900.08 = 62,672.72 : x
2. Step 2: Convert to fraction form
   112,957.52/155,900.08 = 62,672.72/x
3. Step 3: Cross multiply
   112,957.52x = 155,900.08 × 62,672.72
4. Step 4: Simplify right side
   112,957.52x = 9,770,682,061.82
5. Step 5: Solve for x
   x = 9,770,682,061.82/112,957.52
6. Step 6: Final answer
   x = 86,498.73