Finding the Fourth Proportional to 11,173.35, 15,424.05 and 7,398.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,173.35 : 15,424.05 = 7,398.35 : x
2. Step 2: Convert to fraction form
   11,173.35/15,424.05 = 7,398.35/x
3. Step 3: Cross multiply
   11,173.35x = 15,424.05 × 7,398.35
4. Step 4: Simplify right side
   11,173.35x = 114,112,520.32
5. Step 5: Solve for x
   x = 114,112,520.32/11,173.35
6. Step 6: Final answer
   x = 10,212.92