Finding the Fourth Proportional to 1,792.34, 2,671.38 and 1,789.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.34 : 2,671.38 = 1,789.61 : x
2. Step 2: Convert to fraction form
   1,792.34/2,671.38 = 1,789.61/x
3. Step 3: Cross multiply
   1,792.34x = 2,671.38 × 1,789.61
4. Step 4: Simplify right side
   1,792.34x = 4,780,719.41
5. Step 5: Solve for x
   x = 4,780,719.41/1,792.34
6. Step 6: Final answer
   x = 2,667.31