Finding the Fourth Proportional to 1,432.43, 1,974.98 and 927.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.43 : 1,974.98 = 927.45 : x
2. Step 2: Convert to fraction form
   1,432.43/1,974.98 = 927.45/x
3. Step 3: Cross multiply
   1,432.43x = 1,974.98 × 927.45
4. Step 4: Simplify right side
   1,432.43x = 1,831,697.52
5. Step 5: Solve for x
   x = 1,831,697.52/1,432.43
6. Step 6: Final answer
   x = 1,278.74