Finding the Fourth Proportional to 88,817.96, 122,449.38 and 86,066.12

Step by Step Solution

1. Step 1: Write the proportion equation
   88,817.96 : 122,449.38 = 86,066.12 : x
2. Step 2: Convert to fraction form
   88,817.96/122,449.38 = 86,066.12/x
3. Step 3: Cross multiply
   88,817.96x = 122,449.38 × 86,066.12
4. Step 4: Simplify right side
   88,817.96x = 10,538,743,033.01
5. Step 5: Solve for x
   x = 10,538,743,033.01/88,817.96
6. Step 6: Final answer
   x = 118,655.54