Finding the Fourth Proportional to 1,889.67, 2,829.42 and 1,066.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.67 : 2,829.42 = 1,066.71 : x
2. Step 2: Convert to fraction form
   1,889.67/2,829.42 = 1,066.71/x
3. Step 3: Cross multiply
   1,889.67x = 2,829.42 × 1,066.71
4. Step 4: Simplify right side
   1,889.67x = 3,018,170.61
5. Step 5: Solve for x
   x = 3,018,170.61/1,889.67
6. Step 6: Final answer
   x = 1,597.19