Finding the Fourth Proportional to 6,131.80, 8,461.98 and 4,008.70

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.80 : 8,461.98 = 4,008.70 : x
2. Step 2: Convert to fraction form
   6,131.80/8,461.98 = 4,008.70/x
3. Step 3: Cross multiply
   6,131.80x = 8,461.98 × 4,008.70
4. Step 4: Simplify right side
   6,131.80x = 33,921,539.23
5. Step 5: Solve for x
   x = 33,921,539.23/6,131.80
6. Step 6: Final answer
   x = 5,532.07