Finding the Fourth Proportional to 12,112.34, 16,709.10 and 7,388.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,112.34 : 16,709.10 = 7,388.42 : x
2. Step 2: Convert to fraction form
   12,112.34/16,709.10 = 7,388.42/x
3. Step 3: Cross multiply
   12,112.34x = 16,709.10 × 7,388.42
4. Step 4: Simplify right side
   12,112.34x = 123,453,848.62
5. Step 5: Solve for x
   x = 123,453,848.62/12,112.34
6. Step 6: Final answer
   x = 10,192.40