Finding the Fourth Proportional to 14,471.32, 21,719.27 and 10,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,471.32 : 21,719.27 = 10,321.50 : x
2. Step 2: Convert to fraction form
   14,471.32/21,719.27 = 10,321.50/x
3. Step 3: Cross multiply
   14,471.32x = 21,719.27 × 10,321.50
4. Step 4: Simplify right side
   14,471.32x = 224,175,445.31
5. Step 5: Solve for x
   x = 224,175,445.31/14,471.32
6. Step 6: Final answer
   x = 15,491.02