Finding the Fourth Proportional to 1,873.59, 2,585.16 and 1,076.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873.59 : 2,585.16 = 1,076.88 : x
2. Step 2: Convert to fraction form
   1,873.59/2,585.16 = 1,076.88/x
3. Step 3: Cross multiply
   1,873.59x = 2,585.16 × 1,076.88
4. Step 4: Simplify right side
   1,873.59x = 2,783,907.10
5. Step 5: Solve for x
   x = 2,783,907.10/1,873.59
6. Step 6: Final answer
   x = 1,485.87