Finding the Fourth Proportional to 1,945.00, 2,684.16 and 1,105.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.00 : 2,684.16 = 1,105.74 : x
2. Step 2: Convert to fraction form
   1,945.00/2,684.16 = 1,105.74/x
3. Step 3: Cross multiply
   1,945.00x = 2,684.16 × 1,105.74
4. Step 4: Simplify right side
   1,945.00x = 2,967,964.13
5. Step 5: Solve for x
   x = 2,967,964.13/1,945.00
6. Step 6: Final answer
   x = 1,525.95