Finding the Fourth Proportional to 6,131.52, 8,461.26 and 3,478.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.52 : 8,461.26 = 3,478.82 : x
2. Step 2: Convert to fraction form
   6,131.52/8,461.26 = 3,478.82/x
3. Step 3: Cross multiply
   6,131.52x = 8,461.26 × 3,478.82
4. Step 4: Simplify right side
   6,131.52x = 29,435,158.21
5. Step 5: Solve for x
   x = 29,435,158.21/6,131.52
6. Step 6: Final answer
   x = 4,800.63