Finding the Fourth Proportional to 87,101.65, 120,196.86 and 49,375.09

Step by Step Solution

1. Step 1: Write the proportion equation
   87,101.65 : 120,196.86 = 49,375.09 : x
2. Step 2: Convert to fraction form
   87,101.65/120,196.86 = 49,375.09/x
3. Step 3: Cross multiply
   87,101.65x = 120,196.86 × 49,375.09
4. Step 4: Simplify right side
   87,101.65x = 5,934,730,780.22
5. Step 5: Solve for x
   x = 5,934,730,780.22/87,101.65
6. Step 6: Final answer
   x = 68,135.69