Finding the Fourth Proportional to 10,458.25, 14,428.84 and 5,978.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,458.25 : 14,428.84 = 5,978.83 : x
2. Step 2: Convert to fraction form
   10,458.25/14,428.84 = 5,978.83/x
3. Step 3: Cross multiply
   10,458.25x = 14,428.84 × 5,978.83
4. Step 4: Simplify right side
   10,458.25x = 86,267,581.46
5. Step 5: Solve for x
   x = 86,267,581.46/10,458.25
6. Step 6: Final answer
   x = 8,248.76