Finding the Fourth Proportional to 88,128,112.10, 132,192,168.15 and 88,128,112.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,128,112.10 : 132,192,168.15 = 88,128,112.10 : x
2. Step 2: Convert to fraction form
   88,128,112.10/132,192,168.15 = 88,128,112.10/x
3. Step 3: Cross multiply
   88,128,112.10x = 132,192,168.15 × 88,128,112.10
4. Step 4: Simplify right side
   88,128,112.10x = 11,649,846,213,465,250
5. Step 5: Solve for x
   x = 11,649,846,213,465,250/88,128,112.10
6. Step 6: Final answer
   x = 132,192,168.15