Finding the Fourth Proportional to 87,002.88, 120,066.24 and 49,279.68

Step by Step Solution

1. Step 1: Write the proportion equation
   87,002.88 : 120,066.24 = 49,279.68 : x
2. Step 2: Convert to fraction form
   87,002.88/120,066.24 = 49,279.68/x
3. Step 3: Cross multiply
   87,002.88x = 120,066.24 × 49,279.68
4. Step 4: Simplify right side
   87,002.88x = 5,916,825,886.00
5. Step 5: Solve for x
   x = 5,916,825,886.00/87,002.88
6. Step 6: Final answer
   x = 68,007.24