Finding the Fourth Proportional to 1,100.88, 1,649.95 and 793.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.88 : 1,649.95 = 793.79 : x
2. Step 2: Convert to fraction form
   1,100.88/1,649.95 = 793.79/x
3. Step 3: Cross multiply
   1,100.88x = 1,649.95 × 793.79
4. Step 4: Simplify right side
   1,100.88x = 1,309,713.81
5. Step 5: Solve for x
   x = 1,309,713.81/1,100.88
6. Step 6: Final answer
   x = 1,189.70