Finding the Fourth Proportional to 11,004.32, 16,505.91 and 3,607.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,004.32 : 16,505.91 = 3,607.81 : x
2. Step 2: Convert to fraction form
   11,004.32/16,505.91 = 3,607.81/x
3. Step 3: Cross multiply
   11,004.32x = 16,505.91 × 3,607.81
4. Step 4: Simplify right side
   11,004.32x = 59,550,145.89
5. Step 5: Solve for x
   x = 59,550,145.89/11,004.32
6. Step 6: Final answer
   x = 5,411.52