Finding the Fourth Proportional to 13,384.35, 18,470.41 and 7,416.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,384.35 : 18,470.41 = 7,416.12 : x
2. Step 2: Convert to fraction form
   13,384.35/18,470.41 = 7,416.12/x
3. Step 3: Cross multiply
   13,384.35x = 18,470.41 × 7,416.12
4. Step 4: Simplify right side
   13,384.35x = 136,978,777.01
5. Step 5: Solve for x
   x = 136,978,777.01/13,384.35
6. Step 6: Final answer
   x = 10,234.25