Finding the Fourth Proportional to 16,131.48, 22,271.12 and 10,552.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.48 : 22,271.12 = 10,552.20 : x
2. Step 2: Convert to fraction form
   16,131.48/22,271.12 = 10,552.20/x
3. Step 3: Cross multiply
   16,131.48x = 22,271.12 × 10,552.20
4. Step 4: Simplify right side
   16,131.48x = 235,009,312.46
5. Step 5: Solve for x
   x = 235,009,312.46/16,131.48
6. Step 6: Final answer
   x = 14,568.37