Finding the Fourth Proportional to 10,455.98, 14,428.36 and 5,979.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,455.98 : 14,428.36 = 5,979.01 : x
2. Step 2: Convert to fraction form
   10,455.98/14,428.36 = 5,979.01/x
3. Step 3: Cross multiply
   10,455.98x = 14,428.36 × 5,979.01
4. Step 4: Simplify right side
   10,455.98x = 86,267,308.72
5. Step 5: Solve for x
   x = 86,267,308.72/10,455.98
6. Step 6: Final answer
   x = 8,250.52