Finding the Fourth Proportional to 1,574.98, 2,171.64 and 1,132.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574.98 : 2,171.64 = 1,132.72 : x
2. Step 2: Convert to fraction form
   1,574.98/2,171.64 = 1,132.72/x
3. Step 3: Cross multiply
   1,574.98x = 2,171.64 × 1,132.72
4. Step 4: Simplify right side
   1,574.98x = 2,459,860.06
5. Step 5: Solve for x
   x = 2,459,860.06/1,574.98
6. Step 6: Final answer
   x = 1,561.84