Finding the Fourth Proportional to 13,664.02, 20,496.15 and 3,804.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,664.02 : 20,496.15 = 3,804.10 : x
2. Step 2: Convert to fraction form
   13,664.02/20,496.15 = 3,804.10/x
3. Step 3: Cross multiply
   13,664.02x = 20,496.15 × 3,804.10
4. Step 4: Simplify right side
   13,664.02x = 77,969,404.22
5. Step 5: Solve for x
   x = 77,969,404.22/13,664.02
6. Step 6: Final answer
   x = 5,706.18