Finding the Fourth Proportional to 7,877.30, 10,870.91 and 4,520.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,877.30 : 10,870.91 = 4,520.71 : x
2. Step 2: Convert to fraction form
   7,877.30/10,870.91 = 4,520.71/x
3. Step 3: Cross multiply
   7,877.30x = 10,870.91 × 4,520.71
4. Step 4: Simplify right side
   7,877.30x = 49,144,239.48
5. Step 5: Solve for x
   x = 49,144,239.48/7,877.30
6. Step 6: Final answer
   x = 6,238.72