Finding the Fourth Proportional to 1,589.98, 2,192.52 and 1,066.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589.98 : 2,192.52 = 1,066.72 : x
2. Step 2: Convert to fraction form
   1,589.98/2,192.52 = 1,066.72/x
3. Step 3: Cross multiply
   1,589.98x = 2,192.52 × 1,066.72
4. Step 4: Simplify right side
   1,589.98x = 2,338,804.93
5. Step 5: Solve for x
   x = 2,338,804.93/1,589.98
6. Step 6: Final answer
   x = 1,470.97