Finding the Fourth Proportional to 1,471.35, 2,215.04 and 1,270.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.35 : 2,215.04 = 1,270.47 : x
2. Step 2: Convert to fraction form
   1,471.35/2,215.04 = 1,270.47/x
3. Step 3: Cross multiply
   1,471.35x = 2,215.04 × 1,270.47
4. Step 4: Simplify right side
   1,471.35x = 2,814,145.04
5. Step 5: Solve for x
   x = 2,814,145.04/1,471.35
6. Step 6: Final answer
   x = 1,912.63