Finding the Fourth Proportional to 1,409.27, 2,113.31 and 706.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.27 : 2,113.31 = 706.01 : x
2. Step 2: Convert to fraction form
   1,409.27/2,113.31 = 706.01/x
3. Step 3: Cross multiply
   1,409.27x = 2,113.31 × 706.01
4. Step 4: Simplify right side
   1,409.27x = 1,492,019.75
5. Step 5: Solve for x
   x = 1,492,019.75/1,409.27
6. Step 6: Final answer
   x = 1,058.72