Finding the Fourth Proportional to 9,827.38, 13,561.69 and 5,351.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,827.38 : 13,561.69 = 5,351.12 : x
2. Step 2: Convert to fraction form
   9,827.38/13,561.69 = 5,351.12/x
3. Step 3: Cross multiply
   9,827.38x = 13,561.69 × 5,351.12
4. Step 4: Simplify right side
   9,827.38x = 72,570,230.59
5. Step 5: Solve for x
   x = 72,570,230.59/9,827.38
6. Step 6: Final answer
   x = 7,384.49