Finding the Fourth Proportional to 1,432.08, 2,149.52 and 1,065.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.08 : 2,149.52 = 1,065.78 : x
2. Step 2: Convert to fraction form
   1,432.08/2,149.52 = 1,065.78/x
3. Step 3: Cross multiply
   1,432.08x = 2,149.52 × 1,065.78
4. Step 4: Simplify right side
   1,432.08x = 2,290,910.10
5. Step 5: Solve for x
   x = 2,290,910.10/1,432.08
6. Step 6: Final answer
   x = 1,599.71