Finding the Fourth Proportional to 1,860.41, 2,566.82 and 1,152.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.41 : 2,566.82 = 1,152.78 : x
2. Step 2: Convert to fraction form
   1,860.41/2,566.82 = 1,152.78/x
3. Step 3: Cross multiply
   1,860.41x = 2,566.82 × 1,152.78
4. Step 4: Simplify right side
   1,860.41x = 2,958,972.02
5. Step 5: Solve for x
   x = 2,958,972.02/1,860.41
6. Step 6: Final answer
   x = 1,590.49