Finding the Fourth Proportional to 1,141.32, 1,574.88 and 742.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.32 : 1,574.88 = 742.98 : x
2. Step 2: Convert to fraction form
   1,141.32/1,574.88 = 742.98/x
3. Step 3: Cross multiply
   1,141.32x = 1,574.88 × 742.98
4. Step 4: Simplify right side
   1,141.32x = 1,170,104.34
5. Step 5: Solve for x
   x = 1,170,104.34/1,141.32
6. Step 6: Final answer
   x = 1,025.22