Finding the Fourth Proportional to 1,856.34, 2,560.73 and 1,182.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.34 : 2,560.73 = 1,182.89 : x
2. Step 2: Convert to fraction form
   1,856.34/2,560.73 = 1,182.89/x
3. Step 3: Cross multiply
   1,856.34x = 2,560.73 × 1,182.89
4. Step 4: Simplify right side
   1,856.34x = 3,029,061.91
5. Step 5: Solve for x
   x = 3,029,061.91/1,856.34
6. Step 6: Final answer
   x = 1,631.74