Finding the Fourth Proportional to 13,362.06, 18,439.56 and 7,393.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,362.06 : 18,439.56 = 7,393.62 : x
2. Step 2: Convert to fraction form
   13,362.06/18,439.56 = 7,393.62/x
3. Step 3: Cross multiply
   13,362.06x = 18,439.56 × 7,393.62
4. Step 4: Simplify right side
   13,362.06x = 136,335,099.61
5. Step 5: Solve for x
   x = 136,335,099.61/13,362.06
6. Step 6: Final answer
   x = 10,203.15