Finding the Fourth Proportional to 1,233.32, 1,701.88 and 709.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.32 : 1,701.88 = 709.38 : x
2. Step 2: Convert to fraction form
   1,233.32/1,701.88 = 709.38/x
3. Step 3: Cross multiply
   1,233.32x = 1,701.88 × 709.38
4. Step 4: Simplify right side
   1,233.32x = 1,207,277.86
5. Step 5: Solve for x
   x = 1,207,277.86/1,233.32
6. Step 6: Final answer
   x = 978.89