Finding the Fourth Proportional to 35,665.38, 53,468.88 and 13,466.16

Step by Step Solution

1. Step 1: Write the proportion equation
   35,665.38 : 53,468.88 = 13,466.16 : x
2. Step 2: Convert to fraction form
   35,665.38/53,468.88 = 13,466.16/x
3. Step 3: Cross multiply
   35,665.38x = 53,468.88 × 13,466.16
4. Step 4: Simplify right side
   35,665.38x = 720,020,493.10
5. Step 5: Solve for x
   x = 720,020,493.10/35,665.38
6. Step 6: Final answer
   x = 20,188.22