Finding the Fourth Proportional to 9,726.72, 14,586.40 and 3,151.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,726.72 : 14,586.40 = 3,151.14 : x
2. Step 2: Convert to fraction form
   9,726.72/14,586.40 = 3,151.14/x
3. Step 3: Cross multiply
   9,726.72x = 14,586.40 × 3,151.14
4. Step 4: Simplify right side
   9,726.72x = 45,963,788.50
5. Step 5: Solve for x
   x = 45,963,788.50/9,726.72
6. Step 6: Final answer
   x = 4,725.52