Finding the Fourth Proportional to 1,432.52, 2,150.76 and 739.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.52 : 2,150.76 = 739.76 : x
2. Step 2: Convert to fraction form
   1,432.52/2,150.76 = 739.76/x
3. Step 3: Cross multiply
   1,432.52x = 2,150.76 × 739.76
4. Step 4: Simplify right side
   1,432.52x = 1,591,046.22
5. Step 5: Solve for x
   x = 1,591,046.22/1,432.52
6. Step 6: Final answer
   x = 1,110.66