Finding the Fourth Proportional to 1,335.88, 1,997.22 and 1,132.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.88 : 1,997.22 = 1,132.72 : x
2. Step 2: Convert to fraction form
   1,335.88/1,997.22 = 1,132.72/x
3. Step 3: Cross multiply
   1,335.88x = 1,997.22 × 1,132.72
4. Step 4: Simplify right side
   1,335.88x = 2,262,291.04
5. Step 5: Solve for x
   x = 2,262,291.04/1,335.88
6. Step 6: Final answer
   x = 1,693.48