Finding the Fourth Proportional to 1,761.52, 2,429.89 and 1,122.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.52 : 2,429.89 = 1,122.28 : x
2. Step 2: Convert to fraction form
   1,761.52/2,429.89 = 1,122.28/x
3. Step 3: Cross multiply
   1,761.52x = 2,429.89 × 1,122.28
4. Step 4: Simplify right side
   1,761.52x = 2,727,016.95
5. Step 5: Solve for x
   x = 2,727,016.95/1,761.52
6. Step 6: Final answer
   x = 1,548.10