Finding the Fourth Proportional to 131,101.98, 180,936.27 and 74,521.86

Step by Step Solution

1. Step 1: Write the proportion equation
   131,101.98 : 180,936.27 = 74,521.86 : x
2. Step 2: Convert to fraction form
   131,101.98/180,936.27 = 74,521.86/x
3. Step 3: Cross multiply
   131,101.98x = 180,936.27 × 74,521.86
4. Step 4: Simplify right side
   131,101.98x = 13,483,707,381.86
5. Step 5: Solve for x
   x = 13,483,707,381.86/131,101.98
6. Step 6: Final answer
   x = 102,849.00