Finding the Fourth Proportional to 1,066.52, 1,607.70 and 974.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.52 : 1,607.70 = 974.25 : x
2. Step 2: Convert to fraction form
   1,066.52/1,607.70 = 974.25/x
3. Step 3: Cross multiply
   1,066.52x = 1,607.70 × 974.25
4. Step 4: Simplify right side
   1,066.52x = 1,566,301.73
5. Step 5: Solve for x
   x = 1,566,301.73/1,066.52
6. Step 6: Final answer
   x = 1,468.61