Finding the Fourth Proportional to 1,411.95, 2,114.28 and 974.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.95 : 2,114.28 = 974.55 : x
2. Step 2: Convert to fraction form
   1,411.95/2,114.28 = 974.55/x
3. Step 3: Cross multiply
   1,411.95x = 2,114.28 × 974.55
4. Step 4: Simplify right side
   1,411.95x = 2,060,471.57
5. Step 5: Solve for x
   x = 2,060,471.57/1,411.95
6. Step 6: Final answer
   x = 1,459.31