Finding the Fourth Proportional to 9,114.69, 13,671.84 and 2,540.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,114.69 : 13,671.84 = 2,540.70 : x
2. Step 2: Convert to fraction form
   9,114.69/13,671.84 = 2,540.70/x
3. Step 3: Cross multiply
   9,114.69x = 13,671.84 × 2,540.70
4. Step 4: Simplify right side
   9,114.69x = 34,736,043.89
5. Step 5: Solve for x
   x = 34,736,043.89/9,114.69
6. Step 6: Final answer
   x = 3,811.00