Finding the Fourth Proportional to 9,725.16, 14,588.24 and 3,151.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,725.16 : 14,588.24 = 3,151.88 : x
2. Step 2: Convert to fraction form
   9,725.16/14,588.24 = 3,151.88/x
3. Step 3: Cross multiply
   9,725.16x = 14,588.24 × 3,151.88
4. Step 4: Simplify right side
   9,725.16x = 45,980,381.89
5. Step 5: Solve for x
   x = 45,980,381.89/9,725.16
6. Step 6: Final answer
   x = 4,727.98