Finding the Fourth Proportional to 87,401.83, 120,624.56 and 48,643.51

Step by Step Solution

1. Step 1: Write the proportion equation
   87,401.83 : 120,624.56 = 48,643.51 : x
2. Step 2: Convert to fraction form
   87,401.83/120,624.56 = 48,643.51/x
3. Step 3: Cross multiply
   87,401.83x = 120,624.56 × 48,643.51
4. Step 4: Simplify right side
   87,401.83x = 5,867,601,990.61
5. Step 5: Solve for x
   x = 5,867,601,990.61/87,401.83
6. Step 6: Final answer
   x = 67,133.63