Finding the Fourth Proportional to 1,799.76, 2,483.80 and 1,013.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799.76 : 2,483.80 = 1,013.78 : x
2. Step 2: Convert to fraction form
   1,799.76/2,483.80 = 1,013.78/x
3. Step 3: Cross multiply
   1,799.76x = 2,483.80 × 1,013.78
4. Step 4: Simplify right side
   1,799.76x = 2,518,026.76
5. Step 5: Solve for x
   x = 2,518,026.76/1,799.76
6. Step 6: Final answer
   x = 1,399.09