Finding the Fourth Proportional to 1,945.37, 2,684.61 and 1,106.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.37 : 2,684.61 = 1,106.25 : x
2. Step 2: Convert to fraction form
   1,945.37/2,684.61 = 1,106.25/x
3. Step 3: Cross multiply
   1,945.37x = 2,684.61 × 1,106.25
4. Step 4: Simplify right side
   1,945.37x = 2,969,849.81
5. Step 5: Solve for x
   x = 2,969,849.81/1,945.37
6. Step 6: Final answer
   x = 1,526.63