Finding the Fourth Proportional to 88,519.56, 122,089.86 and 61,662.12

Step by Step Solution

1. Step 1: Write the proportion equation
   88,519.56 : 122,089.86 = 61,662.12 : x
2. Step 2: Convert to fraction form
   88,519.56/122,089.86 = 61,662.12/x
3. Step 3: Cross multiply
   88,519.56x = 122,089.86 × 61,662.12
4. Step 4: Simplify right side
   88,519.56x = 7,528,319,598.10
5. Step 5: Solve for x
   x = 7,528,319,598.10/88,519.56
6. Step 6: Final answer
   x = 85,046.96