Finding the Fourth Proportional to 102,847.30, 154,530.15 and 65,425.30

Step by Step Solution

1. Step 1: Write the proportion equation
   102,847.30 : 154,530.15 = 65,425.30 : x
2. Step 2: Convert to fraction form
   102,847.30/154,530.15 = 65,425.30/x
3. Step 3: Cross multiply
   102,847.30x = 154,530.15 × 65,425.30
4. Step 4: Simplify right side
   102,847.30x = 10,110,181,422.80
5. Step 5: Solve for x
   x = 10,110,181,422.80/102,847.30
6. Step 6: Final answer
   x = 98,302.84