Finding the Fourth Proportional to 1,984.59, 2,738.87 and 1,100.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.59 : 2,738.87 = 1,100.47 : x
2. Step 2: Convert to fraction form
   1,984.59/2,738.87 = 1,100.47/x
3. Step 3: Cross multiply
   1,984.59x = 2,738.87 × 1,100.47
4. Step 4: Simplify right side
   1,984.59x = 3,014,038.77
5. Step 5: Solve for x
   x = 3,014,038.77/1,984.59
6. Step 6: Final answer
   x = 1,518.72