Finding the Fourth Proportional to 89,196.02, 122,854.02 and 66,462.14

Step by Step Solution

1. Step 1: Write the proportion equation
   89,196.02 : 122,854.02 = 66,462.14 : x
2. Step 2: Convert to fraction form
   89,196.02/122,854.02 = 66,462.14/x
3. Step 3: Cross multiply
   89,196.02x = 122,854.02 × 66,462.14
4. Step 4: Simplify right side
   89,196.02x = 8,165,141,076.80
5. Step 5: Solve for x
   x = 8,165,141,076.80/89,196.02
6. Step 6: Final answer
   x = 91,541.54