Finding the Fourth Proportional to 1,945.43, 2,684.75 and 1,106.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.43 : 2,684.75 = 1,106.17 : x
2. Step 2: Convert to fraction form
   1,945.43/2,684.75 = 1,106.17/x
3. Step 3: Cross multiply
   1,945.43x = 2,684.75 × 1,106.17
4. Step 4: Simplify right side
   1,945.43x = 2,969,792.77
5. Step 5: Solve for x
   x = 2,969,792.77/1,945.43
6. Step 6: Final answer
   x = 1,526.54