Finding the Fourth Proportional to 9,690.72, 14,548.98 and 5,749.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,690.72 : 14,548.98 = 5,749.26 : x
2. Step 2: Convert to fraction form
   9,690.72/14,548.98 = 5,749.26/x
3. Step 3: Cross multiply
   9,690.72x = 14,548.98 × 5,749.26
4. Step 4: Simplify right side
   9,690.72x = 83,645,868.75
5. Step 5: Solve for x
   x = 83,645,868.75/9,690.72
6. Step 6: Final answer
   x = 8,631.54