Finding the Fourth Proportional to 9,832.50, 13,568.91 and 5,356.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,832.50 : 13,568.91 = 5,356.21 : x
2. Step 2: Convert to fraction form
   9,832.50/13,568.91 = 5,356.21/x
3. Step 3: Cross multiply
   9,832.50x = 13,568.91 × 5,356.21
4. Step 4: Simplify right side
   9,832.50x = 72,677,931.43
5. Step 5: Solve for x
   x = 72,677,931.43/9,832.50
6. Step 6: Final answer
   x = 7,391.61