Finding the Fourth Proportional to 87,086.90, 120,176.52 and 49,360.34

Step by Step Solution

1. Step 1: Write the proportion equation
   87,086.90 : 120,176.52 = 49,360.34 : x
2. Step 2: Convert to fraction form
   87,086.90/120,176.52 = 49,360.34/x
3. Step 3: Cross multiply
   87,086.90x = 120,176.52 × 49,360.34
4. Step 4: Simplify right side
   87,086.90x = 5,931,953,887.22
5. Step 5: Solve for x
   x = 5,931,953,887.22/87,086.90
6. Step 6: Final answer
   x = 68,115.34