Finding the Fourth Proportional to 1,454.84, 2,186.52 and 971.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.84 : 2,186.52 = 971.28 : x
2. Step 2: Convert to fraction form
   1,454.84/2,186.52 = 971.28/x
3. Step 3: Cross multiply
   1,454.84x = 2,186.52 × 971.28
4. Step 4: Simplify right side
   1,454.84x = 2,123,723.15
5. Step 5: Solve for x
   x = 2,123,723.15/1,454.84
6. Step 6: Final answer
   x = 1,459.76