Finding the Fourth Proportional to 1,457.50, 2,009.01 and 985.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457.50 : 2,009.01 = 985.25 : x
2. Step 2: Convert to fraction form
   1,457.50/2,009.01 = 985.25/x
3. Step 3: Cross multiply
   1,457.50x = 2,009.01 × 985.25
4. Step 4: Simplify right side
   1,457.50x = 1,979,367.06
5. Step 5: Solve for x
   x = 1,979,367.06/1,457.50
6. Step 6: Final answer
   x = 1,358.06