Finding the Fourth Proportional to 9,757.49, 13,462.25 and 5,978.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,757.49 : 13,462.25 = 5,978.70 : x
2. Step 2: Convert to fraction form
   9,757.49/13,462.25 = 5,978.70/x
3. Step 3: Cross multiply
   9,757.49x = 13,462.25 × 5,978.70
4. Step 4: Simplify right side
   9,757.49x = 80,486,724.18
5. Step 5: Solve for x
   x = 80,486,724.18/9,757.49
6. Step 6: Final answer
   x = 8,248.72