Finding the Fourth Proportional to 14,422.72, 19,875.36 and 9,637.24

Step by Step Solution

1. Step 1: Write the proportion equation
   14,422.72 : 19,875.36 = 9,637.24 : x
2. Step 2: Convert to fraction form
   14,422.72/19,875.36 = 9,637.24/x
3. Step 3: Cross multiply
   14,422.72x = 19,875.36 × 9,637.24
4. Step 4: Simplify right side
   14,422.72x = 191,543,614.41
5. Step 5: Solve for x
   x = 191,543,614.41/14,422.72
6. Step 6: Final answer
   x = 13,280.69