Finding the Fourth Proportional to 1,945.31, 2,684.59 and 1,061.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.31 : 2,684.59 = 1,061.17 : x
2. Step 2: Convert to fraction form
   1,945.31/2,684.59 = 1,061.17/x
3. Step 3: Cross multiply
   1,945.31x = 2,684.59 × 1,061.17
4. Step 4: Simplify right side
   1,945.31x = 2,848,797.01
5. Step 5: Solve for x
   x = 2,848,797.01/1,945.31
6. Step 6: Final answer
   x = 1,464.45