Finding the Fourth Proportional to 2,540.95, 3,810.72 and 1,225.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.95 : 3,810.72 = 1,225.56 : x
2. Step 2: Convert to fraction form
   2,540.95/3,810.72 = 1,225.56/x
3. Step 3: Cross multiply
   2,540.95x = 3,810.72 × 1,225.56
4. Step 4: Simplify right side
   2,540.95x = 4,670,266.00
5. Step 5: Solve for x
   x = 4,670,266.00/2,540.95
6. Step 6: Final answer
   x = 1,838.00