Finding the Fourth Proportional to 131,380.48, 181,319.52 and 74,782.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,380.48 : 181,319.52 = 74,782.72 : x
2. Step 2: Convert to fraction form
   131,380.48/181,319.52 = 74,782.72/x
3. Step 3: Cross multiply
   131,380.48x = 181,319.52 × 74,782.72
4. Step 4: Simplify right side
   131,380.48x = 13,559,566,894.69
5. Step 5: Solve for x
   x = 13,559,566,894.69/131,380.48
6. Step 6: Final answer
   x = 103,208.38