Finding the Fourth Proportional to 35,641.27, 53,480.35 and 18,111.09

Step by Step Solution

1. Step 1: Write the proportion equation
   35,641.27 : 53,480.35 = 18,111.09 : x
2. Step 2: Convert to fraction form
   35,641.27/53,480.35 = 18,111.09/x
3. Step 3: Cross multiply
   35,641.27x = 53,480.35 × 18,111.09
4. Step 4: Simplify right side
   35,641.27x = 968,587,655.27
5. Step 5: Solve for x
   x = 968,587,655.27/35,641.27
6. Step 6: Final answer
   x = 27,176.02