Finding the Fourth Proportional to 1,985.25, 2,739.57 and 1,100.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985.25 : 2,739.57 = 1,100.99 : x
2. Step 2: Convert to fraction form
   1,985.25/2,739.57 = 1,100.99/x
3. Step 3: Cross multiply
   1,985.25x = 2,739.57 × 1,100.99
4. Step 4: Simplify right side
   1,985.25x = 3,016,239.17
5. Step 5: Solve for x
   x = 3,016,239.17/1,985.25
6. Step 6: Final answer
   x = 1,519.32