Finding the Fourth Proportional to 1,713.27, 2,557.52 and 1,505.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713.27 : 2,557.52 = 1,505.69 : x
2. Step 2: Convert to fraction form
   1,713.27/2,557.52 = 1,505.69/x
3. Step 3: Cross multiply
   1,713.27x = 2,557.52 × 1,505.69
4. Step 4: Simplify right side
   1,713.27x = 3,850,827.21
5. Step 5: Solve for x
   x = 3,850,827.21/1,713.27
6. Step 6: Final answer
   x = 2,247.64