Finding the Fourth Proportional to 1,984.86, 2,738.81 and 1,100.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.86 : 2,738.81 = 1,100.66 : x
2. Step 2: Convert to fraction form
   1,984.86/2,738.81 = 1,100.66/x
3. Step 3: Cross multiply
   1,984.86x = 2,738.81 × 1,100.66
4. Step 4: Simplify right side
   1,984.86x = 3,014,498.61
5. Step 5: Solve for x
   x = 3,014,498.61/1,984.86
6. Step 6: Final answer
   x = 1,518.75