Finding the Fourth Proportional to 1,050.32, 1,572.72 and 740.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.32 : 1,572.72 = 740.49 : x
2. Step 2: Convert to fraction form
   1,050.32/1,572.72 = 740.49/x
3. Step 3: Cross multiply
   1,050.32x = 1,572.72 × 740.49
4. Step 4: Simplify right side
   1,050.32x = 1,164,583.43
5. Step 5: Solve for x
   x = 1,164,583.43/1,050.32
6. Step 6: Final answer
   x = 1,108.79