Finding the Fourth Proportional to 10,454.70, 14,428.24 and 5,978.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,454.70 : 14,428.24 = 5,978.34 : x
2. Step 2: Convert to fraction form
   10,454.70/14,428.24 = 5,978.34/x
3. Step 3: Cross multiply
   10,454.70x = 14,428.24 × 5,978.34
4. Step 4: Simplify right side
   10,454.70x = 86,256,943.00
5. Step 5: Solve for x
   x = 86,256,943.00/10,454.70
6. Step 6: Final answer
   x = 8,250.54