Finding the Fourth Proportional to 1,496.32, 2,242.89 and 715.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496.32 : 2,242.89 = 715.84 : x
2. Step 2: Convert to fraction form
   1,496.32/2,242.89 = 715.84/x
3. Step 3: Cross multiply
   1,496.32x = 2,242.89 × 715.84
4. Step 4: Simplify right side
   1,496.32x = 1,605,544.77
5. Step 5: Solve for x
   x = 1,605,544.77/1,496.32
6. Step 6: Final answer
   x = 1,072.99