Finding the Fourth Proportional to 11,868.10, 16,370.26 and 7,612.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,868.10 : 16,370.26 = 7,612.42 : x
2. Step 2: Convert to fraction form
   11,868.10/16,370.26 = 7,612.42/x
3. Step 3: Cross multiply
   11,868.10x = 16,370.26 × 7,612.42
4. Step 4: Simplify right side
   11,868.10x = 124,617,182.81
5. Step 5: Solve for x
   x = 124,617,182.81/11,868.10
6. Step 6: Final answer
   x = 10,500.18