Finding the Fourth Proportional to 102,485.32, 153,512.69 and 65,026.10

Step by Step Solution

1. Step 1: Write the proportion equation
   102,485.32 : 153,512.69 = 65,026.10 : x
2. Step 2: Convert to fraction form
   102,485.32/153,512.69 = 65,026.10/x
3. Step 3: Cross multiply
   102,485.32x = 153,512.69 × 65,026.10
4. Step 4: Simplify right side
   102,485.32x = 9,982,331,589.86
5. Step 5: Solve for x
   x = 9,982,331,589.86/102,485.32
6. Step 6: Final answer
   x = 97,402.55