Finding the Fourth Proportional to 1,755.52, 2,422.72 and 1,047.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755.52 : 2,422.72 = 1,047.18 : x
2. Step 2: Convert to fraction form
   1,755.52/2,422.72 = 1,047.18/x
3. Step 3: Cross multiply
   1,755.52x = 2,422.72 × 1,047.18
4. Step 4: Simplify right side
   1,755.52x = 2,537,023.93
5. Step 5: Solve for x
   x = 2,537,023.93/1,755.52
6. Step 6: Final answer
   x = 1,445.17