Finding the Fourth Proportional to 10,454.88, 14,428.76 and 5,979.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,454.88 : 14,428.76 = 5,979.30 : x
2. Step 2: Convert to fraction form
   10,454.88/14,428.76 = 5,979.30/x
3. Step 3: Cross multiply
   10,454.88x = 14,428.76 × 5,979.30
4. Step 4: Simplify right side
   10,454.88x = 86,273,884.67
5. Step 5: Solve for x
   x = 86,273,884.67/10,454.88
6. Step 6: Final answer
   x = 8,252.02