Finding the Fourth Proportional to 1,856.49, 2,561.10 and 1,193.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.49 : 2,561.10 = 1,193.10 : x
2. Step 2: Convert to fraction form
   1,856.49/2,561.10 = 1,193.10/x
3. Step 3: Cross multiply
   1,856.49x = 2,561.10 × 1,193.10
4. Step 4: Simplify right side
   1,856.49x = 3,055,648.41
5. Step 5: Solve for x
   x = 3,055,648.41/1,856.49
6. Step 6: Final answer
   x = 1,645.93