Finding the Fourth Proportional to 1,066.25, 1,470.53 and 693.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.25 : 1,470.53 = 693.04 : x
2. Step 2: Convert to fraction form
   1,066.25/1,470.53 = 693.04/x
3. Step 3: Cross multiply
   1,066.25x = 1,470.53 × 693.04
4. Step 4: Simplify right side
   1,066.25x = 1,019,134.17
5. Step 5: Solve for x
   x = 1,019,134.17/1,066.25
6. Step 6: Final answer
   x = 955.82