Finding the Fourth Proportional to 1,066.02, 1,470.09 and 692.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.02 : 1,470.09 = 692.57 : x
2. Step 2: Convert to fraction form
   1,066.02/1,470.09 = 692.57/x
3. Step 3: Cross multiply
   1,066.02x = 1,470.09 × 692.57
4. Step 4: Simplify right side
   1,066.02x = 1,018,146.50
5. Step 5: Solve for x
   x = 1,018,146.50/1,066.02
6. Step 6: Final answer
   x = 955.09