Finding the Fourth Proportional to 13,352.28, 18,426.51 and 7,384.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,352.28 : 18,426.51 = 7,384.34 : x
2. Step 2: Convert to fraction form
   13,352.28/18,426.51 = 7,384.34/x
3. Step 3: Cross multiply
   13,352.28x = 18,426.51 × 7,384.34
4. Step 4: Simplify right side
   13,352.28x = 136,067,522.72
5. Step 5: Solve for x
   x = 136,067,522.72/13,352.28
6. Step 6: Final answer
   x = 10,190.58