Finding the Fourth Proportional to 87,401.64, 120,617.86 and 49,162.96

Step by Step Solution

1. Step 1: Write the proportion equation
   87,401.64 : 120,617.86 = 49,162.96 : x
2. Step 2: Convert to fraction form
   87,401.64/120,617.86 = 49,162.96/x
3. Step 3: Cross multiply
   87,401.64x = 120,617.86 × 49,162.96
4. Step 4: Simplify right side
   87,401.64x = 5,929,931,026.47
5. Step 5: Solve for x
   x = 5,929,931,026.47/87,401.64
6. Step 6: Final answer
   x = 67,846.91