Finding the Fourth Proportional to 1,796.79, 2,479.55 and 1,000.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.79 : 2,479.55 = 1,000.10 : x
2. Step 2: Convert to fraction form
   1,796.79/2,479.55 = 1,000.10/x
3. Step 3: Cross multiply
   1,796.79x = 2,479.55 × 1,000.10
4. Step 4: Simplify right side
   1,796.79x = 2,479,790.46
5. Step 5: Solve for x
   x = 2,479,790.46/1,796.79
6. Step 6: Final answer
   x = 1,380.13