Finding the Fourth Proportional to 9,337.14, 12,886.43 and 5,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,337.14 : 12,886.43 = 5,359.50 : x
2. Step 2: Convert to fraction form
   9,337.14/12,886.43 = 5,359.50/x
3. Step 3: Cross multiply
   9,337.14x = 12,886.43 × 5,359.50
4. Step 4: Simplify right side
   9,337.14x = 69,064,794.79
5. Step 5: Solve for x
   x = 69,064,794.79/9,337.14
6. Step 6: Final answer
   x = 7,396.78