Finding the Fourth Proportional to 141,892.02, 195,807.24 and 78,228.18

Step by Step Solution

1. Step 1: Write the proportion equation
   141,892.02 : 195,807.24 = 78,228.18 : x
2. Step 2: Convert to fraction form
   141,892.02/195,807.24 = 78,228.18/x
3. Step 3: Cross multiply
   141,892.02x = 195,807.24 × 78,228.18
4. Step 4: Simplify right side
   141,892.02x = 15,317,644,016.02
5. Step 5: Solve for x
   x = 15,317,644,016.02/141,892.02
6. Step 6: Final answer
   x = 107,952.82