Finding the Fourth Proportional to 9,832.16, 13,568.41 and 5,355.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,832.16 : 13,568.41 = 5,355.90 : x
2. Step 2: Convert to fraction form
   9,832.16/13,568.41 = 5,355.90/x
3. Step 3: Cross multiply
   9,832.16x = 13,568.41 × 5,355.90
4. Step 4: Simplify right side
   9,832.16x = 72,671,053.81
5. Step 5: Solve for x
   x = 72,671,053.81/9,832.16
6. Step 6: Final answer
   x = 7,391.16