Finding the Fourth Proportional to 131,363.48, 181,290.83 and 74,774.86

Step by Step Solution

1. Step 1: Write the proportion equation
   131,363.48 : 181,290.83 = 74,774.86 : x
2. Step 2: Convert to fraction form
   131,363.48/181,290.83 = 74,774.86/x
3. Step 3: Cross multiply
   131,363.48x = 181,290.83 × 74,774.86
4. Step 4: Simplify right side
   131,363.48x = 13,555,995,605.43
5. Step 5: Solve for x
   x = 13,555,995,605.43/131,363.48
6. Step 6: Final answer
   x = 103,194.55