Finding the Fourth Proportional to 11,005.59, 16,501.08 and 3,607.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,005.59 : 16,501.08 = 3,607.47 : x
2. Step 2: Convert to fraction form
   11,005.59/16,501.08 = 3,607.47/x
3. Step 3: Cross multiply
   11,005.59x = 16,501.08 × 3,607.47
4. Step 4: Simplify right side
   11,005.59x = 59,527,151.07
5. Step 5: Solve for x
   x = 59,527,151.07/11,005.59
6. Step 6: Final answer
   x = 5,408.81