Finding the Fourth Proportional to 131,141.94, 181,004.49 and 83,385.96

Step by Step Solution

1. Step 1: Write the proportion equation
   131,141.94 : 181,004.49 = 83,385.96 : x
2. Step 2: Convert to fraction form
   131,141.94/181,004.49 = 83,385.96/x
3. Step 3: Cross multiply
   131,141.94x = 181,004.49 × 83,385.96
4. Step 4: Simplify right side
   131,141.94x = 15,093,233,162.96
5. Step 5: Solve for x
   x = 15,093,233,162.96/131,141.94
6. Step 6: Final answer
   x = 115,090.82