Finding the Fourth Proportional to 1,461.12, 2,016.39 and 901.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.12 : 2,016.39 = 901.61 : x
2. Step 2: Convert to fraction form
   1,461.12/2,016.39 = 901.61/x
3. Step 3: Cross multiply
   1,461.12x = 2,016.39 × 901.61
4. Step 4: Simplify right side
   1,461.12x = 1,818,009.59
5. Step 5: Solve for x
   x = 1,818,009.59/1,461.12
6. Step 6: Final answer
   x = 1,244.26