Finding the Fourth Proportional to 14,300.26, 21,443.08 and 5,978.02

Step by Step Solution

1. Step 1: Write the proportion equation
   14,300.26 : 21,443.08 = 5,978.02 : x
2. Step 2: Convert to fraction form
   14,300.26/21,443.08 = 5,978.02/x
3. Step 3: Cross multiply
   14,300.26x = 21,443.08 × 5,978.02
4. Step 4: Simplify right side
   14,300.26x = 128,187,161.10
5. Step 5: Solve for x
   x = 128,187,161.10/14,300.26
6. Step 6: Final answer
   x = 8,963.97