Finding the Fourth Proportional to 1,859.40, 2,566.82 and 1,196.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859.40 : 2,566.82 = 1,196.62 : x
2. Step 2: Convert to fraction form
   1,859.40/2,566.82 = 1,196.62/x
3. Step 3: Cross multiply
   1,859.40x = 2,566.82 × 1,196.62
4. Step 4: Simplify right side
   1,859.40x = 3,071,508.15
5. Step 5: Solve for x
   x = 3,071,508.15/1,859.40
6. Step 6: Final answer
   x = 1,651.88