Finding the Fourth Proportional to 9,238.05, 12,748.37 and 5,046.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238.05 : 12,748.37 = 5,046.21 : x
2. Step 2: Convert to fraction form
   9,238.05/12,748.37 = 5,046.21/x
3. Step 3: Cross multiply
   9,238.05x = 12,748.37 × 5,046.21
4. Step 4: Simplify right side
   9,238.05x = 64,330,926.95
5. Step 5: Solve for x
   x = 64,330,926.95/9,238.05
6. Step 6: Final answer
   x = 6,963.69