Finding the Fourth Proportional to 1,432.20, 1,975.86 and 908.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.20 : 1,975.86 = 908.52 : x
2. Step 2: Convert to fraction form
   1,432.20/1,975.86 = 908.52/x
3. Step 3: Cross multiply
   1,432.20x = 1,975.86 × 908.52
4. Step 4: Simplify right side
   1,432.20x = 1,795,108.33
5. Step 5: Solve for x
   x = 1,795,108.33/1,432.20
6. Step 6: Final answer
   x = 1,253.39