Finding the Fourth Proportional to 95,025.86, 142,440.37 and 78,209.20

Step by Step Solution

1. Step 1: Write the proportion equation
   95,025.86 : 142,440.37 = 78,209.20 : x
2. Step 2: Convert to fraction form
   95,025.86/142,440.37 = 78,209.20/x
3. Step 3: Cross multiply
   95,025.86x = 142,440.37 × 78,209.20
4. Step 4: Simplify right side
   95,025.86x = 11,140,146,282.16
5. Step 5: Solve for x
   x = 11,140,146,282.16/95,025.86
6. Step 6: Final answer
   x = 117,232.79