Finding the Fourth Proportional to 1,459.62, 2,013.93 and 870.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,459.62 : 2,013.93 = 870.09 : x
2. Step 2: Convert to fraction form
   1,459.62/2,013.93 = 870.09/x
3. Step 3: Cross multiply
   1,459.62x = 2,013.93 × 870.09
4. Step 4: Simplify right side
   1,459.62x = 1,752,300.35
5. Step 5: Solve for x
   x = 1,752,300.35/1,459.62
6. Step 6: Final answer
   x = 1,200.52