Finding the Fourth Proportional to 131,375.16, 181,306.86 and 74,786.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131,375.16 : 181,306.86 = 74,786.52 : x
2. Step 2: Convert to fraction form
   131,375.16/181,306.86 = 74,786.52/x
3. Step 3: Cross multiply
   131,375.16x = 181,306.86 × 74,786.52
4. Step 4: Simplify right side
   131,375.16x = 13,559,309,111.53
5. Step 5: Solve for x
   x = 13,559,309,111.53/131,375.16
6. Step 6: Final answer
   x = 103,210.60