Finding the Fourth Proportional to 1,945.20, 2,684.32 and 1,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.20 : 2,684.32 = 1,061 : x
2. Step 2: Convert to fraction form
   1,945.20/2,684.32 = 1,061/x
3. Step 3: Cross multiply
   1,945.20x = 2,684.32 × 1,061
4. Step 4: Simplify right side
   1,945.20x = 2,848,063.52
5. Step 5: Solve for x
   x = 2,848,063.52/1,945.20
6. Step 6: Final answer
   x = 1,464.15