Finding the Fourth Proportional to 1,410.39, 2,113.69 and 716.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.39 : 2,113.69 = 716.35 : x
2. Step 2: Convert to fraction form
   1,410.39/2,113.69 = 716.35/x
3. Step 3: Cross multiply
   1,410.39x = 2,113.69 × 716.35
4. Step 4: Simplify right side
   1,410.39x = 1,514,141.83
5. Step 5: Solve for x
   x = 1,514,141.83/1,410.39
6. Step 6: Final answer
   x = 1,073.56