Finding the Fourth Proportional to 9,105.74, 13,658.13 and 2,531.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.74 : 13,658.13 = 2,531.98 : x
2. Step 2: Convert to fraction form
   9,105.74/13,658.13 = 2,531.98/x
3. Step 3: Cross multiply
   9,105.74x = 13,658.13 × 2,531.98
4. Step 4: Simplify right side
   9,105.74x = 34,582,112.00
5. Step 5: Solve for x
   x = 34,582,112.00/9,105.74
6. Step 6: Final answer
   x = 3,797.84