Finding the Fourth Proportional to 13,404.97, 18,487.71 and 10,055.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.97 : 18,487.71 = 10,055.22 : x
2. Step 2: Convert to fraction form
   13,404.97/18,487.71 = 10,055.22/x
3. Step 3: Cross multiply
   13,404.97x = 18,487.71 × 10,055.22
4. Step 4: Simplify right side
   13,404.97x = 185,897,922.02
5. Step 5: Solve for x
   x = 185,897,922.02/13,404.97
6. Step 6: Final answer
   x = 13,867.83