Finding the Fourth Proportional to 1,793.60, 2,689.72 and 1,012.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,793.60 : 2,689.72 = 1,012.76 : x
2. Step 2: Convert to fraction form
   1,793.60/2,689.72 = 1,012.76/x
3. Step 3: Cross multiply
   1,793.60x = 2,689.72 × 1,012.76
4. Step 4: Simplify right side
   1,793.60x = 2,724,040.83
5. Step 5: Solve for x
   x = 2,724,040.83/1,793.60
6. Step 6: Final answer
   x = 1,518.76