Finding the Fourth Proportional to 10,453.89, 14,426.92 and 5,978.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,453.89 : 14,426.92 = 5,978.54 : x
2. Step 2: Convert to fraction form
   10,453.89/14,426.92 = 5,978.54/x
3. Step 3: Cross multiply
   10,453.89x = 14,426.92 × 5,978.54
4. Step 4: Simplify right side
   10,453.89x = 86,251,816.27
5. Step 5: Solve for x
   x = 86,251,816.27/10,453.89
6. Step 6: Final answer
   x = 8,250.69