Finding the Fourth Proportional to 6,614.52, 9,128.88 and 3,820.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,614.52 : 9,128.88 = 3,820.02 : x
2. Step 2: Convert to fraction form
   6,614.52/9,128.88 = 3,820.02/x
3. Step 3: Cross multiply
   6,614.52x = 9,128.88 × 3,820.02
4. Step 4: Simplify right side
   6,614.52x = 34,872,504.18
5. Step 5: Solve for x
   x = 34,872,504.18/6,614.52
6. Step 6: Final answer
   x = 5,272.11