Finding the Fourth Proportional to 1,867.59, 2,577.62 and 1,081.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,867.59 : 2,577.62 = 1,081.76 : x
2. Step 2: Convert to fraction form
   1,867.59/2,577.62 = 1,081.76/x
3. Step 3: Cross multiply
   1,867.59x = 2,577.62 × 1,081.76
4. Step 4: Simplify right side
   1,867.59x = 2,788,356.03
5. Step 5: Solve for x
   x = 2,788,356.03/1,867.59
6. Step 6: Final answer
   x = 1,493.02