Finding the Fourth Proportional to 1,752.88, 2,417.61 and 1,123.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,752.88 : 2,417.61 = 1,123.47 : x
2. Step 2: Convert to fraction form
   1,752.88/2,417.61 = 1,123.47/x
3. Step 3: Cross multiply
   1,752.88x = 2,417.61 × 1,123.47
4. Step 4: Simplify right side
   1,752.88x = 2,716,112.31
5. Step 5: Solve for x
   x = 2,716,112.31/1,752.88
6. Step 6: Final answer
   x = 1,549.51