Finding the Fourth Proportional to 87,384.79, 120,589.86 and 49,144.33

Step by Step Solution

1. Step 1: Write the proportion equation
   87,384.79 : 120,589.86 = 49,144.33 : x
2. Step 2: Convert to fraction form
   87,384.79/120,589.86 = 49,144.33/x
3. Step 3: Cross multiply
   87,384.79x = 120,589.86 × 49,144.33
4. Step 4: Simplify right side
   87,384.79x = 5,926,307,874.49
5. Step 5: Solve for x
   x = 5,926,307,874.49/87,384.79
6. Step 6: Final answer
   x = 67,818.53