Finding the Fourth Proportional to 1,120.71, 1,548.14 and 1,066.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120.71 : 1,548.14 = 1,066.04 : x
2. Step 2: Convert to fraction form
   1,120.71/1,548.14 = 1,066.04/x
3. Step 3: Cross multiply
   1,120.71x = 1,548.14 × 1,066.04
4. Step 4: Simplify right side
   1,120.71x = 1,650,379.17
5. Step 5: Solve for x
   x = 1,650,379.17/1,120.71
6. Step 6: Final answer
   x = 1,472.62