Finding the Fourth Proportional to 87,249.30, 120,404.61 and 49,524.18

Step by Step Solution

1. Step 1: Write the proportion equation
   87,249.30 : 120,404.61 = 49,524.18 : x
2. Step 2: Convert to fraction form
   87,249.30/120,404.61 = 49,524.18/x
3. Step 3: Cross multiply
   87,249.30x = 120,404.61 × 49,524.18
4. Step 4: Simplify right side
   87,249.30x = 5,962,939,578.47
5. Step 5: Solve for x
   x = 5,962,939,578.47/87,249.30
6. Step 6: Final answer
   x = 68,343.70