Finding the Fourth Proportional to 13,614.01, 20,422.04 and 3,753.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,614.01 : 20,422.04 = 3,753.20 : x
2. Step 2: Convert to fraction form
   13,614.01/20,422.04 = 3,753.20/x
3. Step 3: Cross multiply
   13,614.01x = 20,422.04 × 3,753.20
4. Step 4: Simplify right side
   13,614.01x = 76,648,032.82
5. Step 5: Solve for x
   x = 76,648,032.82/13,614.01
6. Step 6: Final answer
   x = 5,630.09