Finding the Fourth Proportional to 9,687.31, 14,529.40 and 2,760.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,687.31 : 14,529.40 = 2,760.19 : x
2. Step 2: Convert to fraction form
   9,687.31/14,529.40 = 2,760.19/x
3. Step 3: Cross multiply
   9,687.31x = 14,529.40 × 2,760.19
4. Step 4: Simplify right side
   9,687.31x = 40,103,904.59
5. Step 5: Solve for x
   x = 40,103,904.59/9,687.31
6. Step 6: Final answer
   x = 4,139.84