Finding the Fourth Proportional to 12,113.34, 16,710.48 and 7,389.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,113.34 : 16,710.48 = 7,389.42 : x
2. Step 2: Convert to fraction form
   12,113.34/16,710.48 = 7,389.42/x
3. Step 3: Cross multiply
   12,113.34x = 16,710.48 × 7,389.42
4. Step 4: Simplify right side
   12,113.34x = 123,480,755.12
5. Step 5: Solve for x
   x = 123,480,755.12/12,113.34
6. Step 6: Final answer
   x = 10,193.78