Finding the Fourth Proportional to 9,337.56, 12,886.14 and 5,359.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,337.56 : 12,886.14 = 5,359.38 : x
2. Step 2: Convert to fraction form
   9,337.56/12,886.14 = 5,359.38/x
3. Step 3: Cross multiply
   9,337.56x = 12,886.14 × 5,359.38
4. Step 4: Simplify right side
   9,337.56x = 69,061,720.99
5. Step 5: Solve for x
   x = 69,061,720.99/9,337.56
6. Step 6: Final answer
   x = 7,396.12