Finding the Fourth Proportional to 9,634.72, 13,294.20 and 5,857.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,634.72 : 13,294.20 = 5,857.12 : x
2. Step 2: Convert to fraction form
   9,634.72/13,294.20 = 5,857.12/x
3. Step 3: Cross multiply
   9,634.72x = 13,294.20 × 5,857.12
4. Step 4: Simplify right side
   9,634.72x = 77,865,724.70
5. Step 5: Solve for x
   x = 77,865,724.70/9,634.72
6. Step 6: Final answer
   x = 8,081.78