Finding the Fourth Proportional to 1,434.98, 2,154.32 and 974.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.98 : 2,154.32 = 974.82 : x
2. Step 2: Convert to fraction form
   1,434.98/2,154.32 = 974.82/x
3. Step 3: Cross multiply
   1,434.98x = 2,154.32 × 974.82
4. Step 4: Simplify right side
   1,434.98x = 2,100,074.22
5. Step 5: Solve for x
   x = 2,100,074.22/1,434.98
6. Step 6: Final answer
   x = 1,463.49