Finding the Fourth Proportional to 88,128,111.60, 132,192,167.40 and 88,128,111.60

Step by Step Solution

1. Step 1: Write the proportion equation
   88,128,111.60 : 132,192,167.40 = 88,128,111.60 : x
2. Step 2: Convert to fraction form
   88,128,111.60/132,192,167.40 = 88,128,111.60/x
3. Step 3: Cross multiply
   88,128,111.60x = 132,192,167.40 × 88,128,111.60
4. Step 4: Simplify right side
   88,128,111.60x = 11,649,846,081,273,082
5. Step 5: Solve for x
   x = 11,649,846,081,273,082/88,128,111.60
6. Step 6: Final answer
   x = 132,192,167.40