Finding the Fourth Proportional to 13,049.86, 18,008.81 and 7,384.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,049.86 : 18,008.81 = 7,384.49 : x
2. Step 2: Convert to fraction form
   13,049.86/18,008.81 = 7,384.49/x
3. Step 3: Cross multiply
   13,049.86x = 18,008.81 × 7,384.49
4. Step 4: Simplify right side
   13,049.86x = 132,985,875.50
5. Step 5: Solve for x
   x = 132,985,875.50/13,049.86
6. Step 6: Final answer
   x = 10,190.60