Finding the Fourth Proportional to 1,066.08, 1,471.32 and 673.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.08 : 1,471.32 = 673.50 : x
2. Step 2: Convert to fraction form
   1,066.08/1,471.32 = 673.50/x
3. Step 3: Cross multiply
   1,066.08x = 1,471.32 × 673.50
4. Step 4: Simplify right side
   1,066.08x = 990,934.02
5. Step 5: Solve for x
   x = 990,934.02/1,066.08
6. Step 6: Final answer
   x = 929.51