Finding the Fourth Proportional to 1,459.08, 2,014.07 and 870.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,459.08 : 2,014.07 = 870.21 : x
2. Step 2: Convert to fraction form
   1,459.08/2,014.07 = 870.21/x
3. Step 3: Cross multiply
   1,459.08x = 2,014.07 × 870.21
4. Step 4: Simplify right side
   1,459.08x = 1,752,659.50
5. Step 5: Solve for x
   x = 1,752,659.50/1,459.08
6. Step 6: Final answer
   x = 1,201.21