Finding the Fourth Proportional to 13,384.32, 18,469.01 and 7,414.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,384.32 : 18,469.01 = 7,414.88 : x
2. Step 2: Convert to fraction form
   13,384.32/18,469.01 = 7,414.88/x
3. Step 3: Cross multiply
   13,384.32x = 18,469.01 × 7,414.88
4. Step 4: Simplify right side
   13,384.32x = 136,945,492.87
5. Step 5: Solve for x
   x = 136,945,492.87/13,384.32
6. Step 6: Final answer
   x = 10,231.79