Finding the Fourth Proportional to 1,610.52, 2,223.06 and 981.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.52 : 2,223.06 = 981.46 : x
2. Step 2: Convert to fraction form
   1,610.52/2,223.06 = 981.46/x
3. Step 3: Cross multiply
   1,610.52x = 2,223.06 × 981.46
4. Step 4: Simplify right side
   1,610.52x = 2,181,828.45
5. Step 5: Solve for x
   x = 2,181,828.45/1,610.52
6. Step 6: Final answer
   x = 1,354.74