Finding the Fourth Proportional to 1,945.85, 2,685.23 and 1,061.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.85 : 2,685.23 = 1,061.63 : x
2. Step 2: Convert to fraction form
   1,945.85/2,685.23 = 1,061.63/x
3. Step 3: Cross multiply
   1,945.85x = 2,685.23 × 1,061.63
4. Step 4: Simplify right side
   1,945.85x = 2,850,720.61
5. Step 5: Solve for x
   x = 2,850,720.61/1,945.85
6. Step 6: Final answer
   x = 1,465.03