Finding the Fourth Proportional to 5,614.98, 7,748.15 and 5,426.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,614.98 : 7,748.15 = 5,426.25 : x
2. Step 2: Convert to fraction form
   5,614.98/7,748.15 = 5,426.25/x
3. Step 3: Cross multiply
   5,614.98x = 7,748.15 × 5,426.25
4. Step 4: Simplify right side
   5,614.98x = 42,043,398.94
5. Step 5: Solve for x
   x = 42,043,398.94/5,614.98
6. Step 6: Final answer
   x = 7,487.72