Finding the Fourth Proportional to 11,412.37, 17,110.33 and 7,705.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,412.37 : 17,110.33 = 7,705.41 : x
2. Step 2: Convert to fraction form
   11,412.37/17,110.33 = 7,705.41/x
3. Step 3: Cross multiply
   11,412.37x = 17,110.33 × 7,705.41
4. Step 4: Simplify right side
   11,412.37x = 131,842,107.89
5. Step 5: Solve for x
   x = 131,842,107.89/11,412.37
6. Step 6: Final answer
   x = 11,552.56