Finding the Fourth Proportional to 1,863.61, 2,792.80 and 1,471.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.61 : 2,792.80 = 1,471.89 : x
2. Step 2: Convert to fraction form
   1,863.61/2,792.80 = 1,471.89/x
3. Step 3: Cross multiply
   1,863.61x = 2,792.80 × 1,471.89
4. Step 4: Simplify right side
   1,863.61x = 4,110,687.03
5. Step 5: Solve for x
   x = 4,110,687.03/1,863.61
6. Step 6: Final answer
   x = 2,205.77