Finding the Fourth Proportional to 112,956.16, 155,877.12 and 62,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,956.16 : 155,877.12 = 62,654.72 : x
2. Step 2: Convert to fraction form
   112,956.16/155,877.12 = 62,654.72/x
3. Step 3: Cross multiply
   112,956.16x = 155,877.12 × 62,654.72
4. Step 4: Simplify right side
   112,956.16x = 9,766,437,308.01
5. Step 5: Solve for x
   x = 9,766,437,308.01/112,956.16
6. Step 6: Final answer
   x = 86,462.19