Finding the Fourth Proportional to 1,784.60, 2,463.72 and 1,076.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.60 : 2,463.72 = 1,076.57 : x
2. Step 2: Convert to fraction form
   1,784.60/2,463.72 = 1,076.57/x
3. Step 3: Cross multiply
   1,784.60x = 2,463.72 × 1,076.57
4. Step 4: Simplify right side
   1,784.60x = 2,652,367.04
5. Step 5: Solve for x
   x = 2,652,367.04/1,784.60
6. Step 6: Final answer
   x = 1,486.25