Finding the Fourth Proportional to 1,451.56, 2,175.72 and 1,066

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.56 : 2,175.72 = 1,066 : x
2. Step 2: Convert to fraction form
   1,451.56/2,175.72 = 1,066/x
3. Step 3: Cross multiply
   1,451.56x = 2,175.72 × 1,066
4. Step 4: Simplify right side
   1,451.56x = 2,319,317.52
5. Step 5: Solve for x
   x = 2,319,317.52/1,451.56
6. Step 6: Final answer
   x = 1,597.81