Finding the Fourth Proportional to 147,142.94, 203,057.54 and 83,468.42

Step by Step Solution

1. Step 1: Write the proportion equation
   147,142.94 : 203,057.54 = 83,468.42 : x
2. Step 2: Convert to fraction form
   147,142.94/203,057.54 = 83,468.42/x
3. Step 3: Cross multiply
   147,142.94x = 203,057.54 × 83,468.42
4. Step 4: Simplify right side
   147,142.94x = 16,948,892,032.89
5. Step 5: Solve for x
   x = 16,948,892,032.89/147,142.94
6. Step 6: Final answer
   x = 115,186.58