Finding the Fourth Proportional to 1,800.76, 2,485.18 and 1,014.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800.76 : 2,485.18 = 1,014.78 : x
2. Step 2: Convert to fraction form
   1,800.76/2,485.18 = 1,014.78/x
3. Step 3: Cross multiply
   1,800.76x = 2,485.18 × 1,014.78
4. Step 4: Simplify right side
   1,800.76x = 2,521,910.96
5. Step 5: Solve for x
   x = 2,521,910.96/1,800.76
6. Step 6: Final answer
   x = 1,400.47