Finding the Fourth Proportional to 14,152.17, 21,231 and 5,386.41

Step by Step Solution

1. Step 1: Write the proportion equation
   14,152.17 : 21,231 = 5,386.41 : x
2. Step 2: Convert to fraction form
   14,152.17/21,231 = 5,386.41/x
3. Step 3: Cross multiply
   14,152.17x = 21,231 × 5,386.41
4. Step 4: Simplify right side
   14,152.17x = 114,358,870.71
5. Step 5: Solve for x
   x = 114,358,870.71/14,152.17
6. Step 6: Final answer
   x = 8,080.66