Finding the Fourth Proportional to 1,432.56, 2,147.76 and 738.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.56 : 2,147.76 = 738.93 : x
2. Step 2: Convert to fraction form
   1,432.56/2,147.76 = 738.93/x
3. Step 3: Cross multiply
   1,432.56x = 2,147.76 × 738.93
4. Step 4: Simplify right side
   1,432.56x = 1,587,044.30
5. Step 5: Solve for x
   x = 1,587,044.30/1,432.56
6. Step 6: Final answer
   x = 1,107.84