Finding the Fourth Proportional to 10,423.32, 14,384.21 and 5,643.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,423.32 : 14,384.21 = 5,643.32 : x
2. Step 2: Convert to fraction form
   10,423.32/14,384.21 = 5,643.32/x
3. Step 3: Cross multiply
   10,423.32x = 14,384.21 × 5,643.32
4. Step 4: Simplify right side
   10,423.32x = 81,174,674.94
5. Step 5: Solve for x
   x = 81,174,674.94/10,423.32
6. Step 6: Final answer
   x = 7,787.79