Finding the Fourth Proportional to 11,426.99, 17,140.82 and 3,106.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,426.99 : 17,140.82 = 3,106.96 : x
2. Step 2: Convert to fraction form
   11,426.99/17,140.82 = 3,106.96/x
3. Step 3: Cross multiply
   11,426.99x = 17,140.82 × 3,106.96
4. Step 4: Simplify right side
   11,426.99x = 53,255,783.72
5. Step 5: Solve for x
   x = 53,255,783.72/11,426.99
6. Step 6: Final answer
   x = 4,660.53