Finding the Fourth Proportional to 87,196.98, 120,328.29 and 49,470.42

Step by Step Solution

1. Step 1: Write the proportion equation
   87,196.98 : 120,328.29 = 49,470.42 : x
2. Step 2: Convert to fraction form
   87,196.98/120,328.29 = 49,470.42/x
3. Step 3: Cross multiply
   87,196.98x = 120,328.29 × 49,470.42
4. Step 4: Simplify right side
   87,196.98x = 5,952,691,044.18
5. Step 5: Solve for x
   x = 5,952,691,044.18/87,196.98
6. Step 6: Final answer
   x = 68,267.17