Finding the Fourth Proportional to 6,242.84, 8,616.98 and 3,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,242.84 : 8,616.98 = 3,726.72 : x
2. Step 2: Convert to fraction form
   6,242.84/8,616.98 = 3,726.72/x
3. Step 3: Cross multiply
   6,242.84x = 8,616.98 × 3,726.72
4. Step 4: Simplify right side
   6,242.84x = 32,113,071.71
5. Step 5: Solve for x
   x = 32,113,071.71/6,242.84
6. Step 6: Final answer
   x = 5,143.98