Finding the Fourth Proportional to 1,432.91, 1,975.56 and 927.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.91 : 1,975.56 = 927.86 : x
2. Step 2: Convert to fraction form
   1,432.91/1,975.56 = 927.86/x
3. Step 3: Cross multiply
   1,432.91x = 1,975.56 × 927.86
4. Step 4: Simplify right side
   1,432.91x = 1,833,052.83
5. Step 5: Solve for x
   x = 1,833,052.83/1,432.91
6. Step 6: Final answer
   x = 1,279.25