Finding the Fourth Proportional to 9,805.27, 13,531.58 and 5,614.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,805.27 : 13,531.58 = 5,614.87 : x
2. Step 2: Convert to fraction form
   9,805.27/13,531.58 = 5,614.87/x
3. Step 3: Cross multiply
   9,805.27x = 13,531.58 × 5,614.87
4. Step 4: Simplify right side
   9,805.27x = 75,978,062.59
5. Step 5: Solve for x
   x = 75,978,062.59/9,805.27
6. Step 6: Final answer
   x = 7,748.70