Finding the Fourth Proportional to 11,105.61, 16,654.77 and 3,707.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.61 : 16,654.77 = 3,707.88 : x
2. Step 2: Convert to fraction form
   11,105.61/16,654.77 = 3,707.88/x
3. Step 3: Cross multiply
   11,105.61x = 16,654.77 × 3,707.88
4. Step 4: Simplify right side
   11,105.61x = 61,753,888.59
5. Step 5: Solve for x
   x = 61,753,888.59/11,105.61
6. Step 6: Final answer
   x = 5,560.60