Finding the Fourth Proportional to 1,629.76, 2,248.56 and 1,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.76 : 2,248.56 = 1,131.52 : x
2. Step 2: Convert to fraction form
   1,629.76/2,248.56 = 1,131.52/x
3. Step 3: Cross multiply
   1,629.76x = 2,248.56 × 1,131.52
4. Step 4: Simplify right side
   1,629.76x = 2,544,290.61
5. Step 5: Solve for x
   x = 2,544,290.61/1,629.76
6. Step 6: Final answer
   x = 1,561.14