Finding the Fourth Proportional to 72,114.16, 99,462.72 and 62,059.60

Step by Step Solution

1. Step 1: Write the proportion equation
   72,114.16 : 99,462.72 = 62,059.60 : x
2. Step 2: Convert to fraction form
   72,114.16/99,462.72 = 62,059.60/x
3. Step 3: Cross multiply
   72,114.16x = 99,462.72 × 62,059.60
4. Step 4: Simplify right side
   72,114.16x = 6,172,616,618.11
5. Step 5: Solve for x
   x = 6,172,616,618.11/72,114.16
6. Step 6: Final answer
   x = 85,595.07