Finding the Fourth Proportional to 87,050.76, 120,139.92 and 48,820.56

Step by Step Solution

1. Step 1: Write the proportion equation
   87,050.76 : 120,139.92 = 48,820.56 : x
2. Step 2: Convert to fraction form
   87,050.76/120,139.92 = 48,820.56/x
3. Step 3: Cross multiply
   87,050.76x = 120,139.92 × 48,820.56
4. Step 4: Simplify right side
   87,050.76x = 5,865,298,172.76
5. Step 5: Solve for x
   x = 5,865,298,172.76/87,050.76
6. Step 6: Final answer
   x = 67,377.91