Finding the Fourth Proportional to 13,353.27, 18,425.90 and 7,384.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,353.27 : 18,425.90 = 7,384.13 : x
2. Step 2: Convert to fraction form
   13,353.27/18,425.90 = 7,384.13/x
3. Step 3: Cross multiply
   13,353.27x = 18,425.90 × 7,384.13
4. Step 4: Simplify right side
   13,353.27x = 136,059,111.92
5. Step 5: Solve for x
   x = 136,059,111.92/13,353.27
6. Step 6: Final answer
   x = 10,189.20