Finding the Fourth Proportional to 2,199.35, 3,034.73 and 1,255.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.35 : 3,034.73 = 1,255.10 : x
2. Step 2: Convert to fraction form
   2,199.35/3,034.73 = 1,255.10/x
3. Step 3: Cross multiply
   2,199.35x = 3,034.73 × 1,255.10
4. Step 4: Simplify right side
   2,199.35x = 3,808,877.59
5. Step 5: Solve for x
   x = 3,808,877.59/2,199.35
6. Step 6: Final answer
   x = 1,731.82