Finding the Fourth Proportional to 110,414.36, 152,428.56 and 65,107.10

Step by Step Solution

1. Step 1: Write the proportion equation
   110,414.36 : 152,428.56 = 65,107.10 : x
2. Step 2: Convert to fraction form
   110,414.36/152,428.56 = 65,107.10/x
3. Step 3: Cross multiply
   110,414.36x = 152,428.56 × 65,107.10
4. Step 4: Simplify right side
   110,414.36x = 9,924,181,498.78
5. Step 5: Solve for x
   x = 9,924,181,498.78/110,414.36
6. Step 6: Final answer
   x = 89,881.26