Finding the Fourth Proportional to 6,139.04, 8,472.98 and 3,621.00

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139.04 : 8,472.98 = 3,621.00 : x
2. Step 2: Convert to fraction form
   6,139.04/8,472.98 = 3,621.00/x
3. Step 3: Cross multiply
   6,139.04x = 8,472.98 × 3,621.00
4. Step 4: Simplify right side
   6,139.04x = 30,680,691.22
5. Step 5: Solve for x
   x = 30,680,691.22/6,139.04
6. Step 6: Final answer
   x = 4,997.64