Finding the Fourth Proportional to 1,945.32, 2,686.56 and 1,610.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.32 : 2,686.56 = 1,610.40 : x
2. Step 2: Convert to fraction form
   1,945.32/2,686.56 = 1,610.40/x
3. Step 3: Cross multiply
   1,945.32x = 2,686.56 × 1,610.40
4. Step 4: Simplify right side
   1,945.32x = 4,326,436.22
5. Step 5: Solve for x
   x = 4,326,436.22/1,945.32
6. Step 6: Final answer
   x = 2,224.02