Finding the Fourth Proportional to 9,792.34, 13,513.04 and 5,315.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792.34 : 13,513.04 = 5,315.94 : x
2. Step 2: Convert to fraction form
   9,792.34/13,513.04 = 5,315.94/x
3. Step 3: Cross multiply
   9,792.34x = 13,513.04 × 5,315.94
4. Step 4: Simplify right side
   9,792.34x = 71,834,509.86
5. Step 5: Solve for x
   x = 71,834,509.86/9,792.34
6. Step 6: Final answer
   x = 7,335.79