Finding the Fourth Proportional to 1,803.18, 2,487.90 and 1,046.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803.18 : 2,487.90 = 1,046.82 : x
2. Step 2: Convert to fraction form
   1,803.18/2,487.90 = 1,046.82/x
3. Step 3: Cross multiply
   1,803.18x = 2,487.90 × 1,046.82
4. Step 4: Simplify right side
   1,803.18x = 2,604,383.48
5. Step 5: Solve for x
   x = 2,604,383.48/1,803.18
6. Step 6: Final answer
   x = 1,444.33