Finding the Fourth Proportional to 131,172.30, 181,013.79 and 73,814.82

Step by Step Solution

1. Step 1: Write the proportion equation
   131,172.30 : 181,013.79 = 73,814.82 : x
2. Step 2: Convert to fraction form
   131,172.30/181,013.79 = 73,814.82/x
3. Step 3: Cross multiply
   131,172.30x = 181,013.79 × 73,814.82
4. Step 4: Simplify right side
   131,172.30x = 13,361,500,326.37
5. Step 5: Solve for x
   x = 13,361,500,326.37/131,172.30
6. Step 6: Final answer
   x = 101,862.21