Finding the Fourth Proportional to 14,320.27, 21,488.78 and 5,999.58

Step by Step Solution

1. Step 1: Write the proportion equation
   14,320.27 : 21,488.78 = 5,999.58 : x
2. Step 2: Convert to fraction form
   14,320.27/21,488.78 = 5,999.58/x
3. Step 3: Cross multiply
   14,320.27x = 21,488.78 × 5,999.58
4. Step 4: Simplify right side
   14,320.27x = 128,923,654.71
5. Step 5: Solve for x
   x = 128,923,654.71/14,320.27
6. Step 6: Final answer
   x = 9,002.88