Finding the Fourth Proportional to 70,227.69, 105,333.71 and 17,637.30

Step by Step Solution

1. Step 1: Write the proportion equation
   70,227.69 : 105,333.71 = 17,637.30 : x
2. Step 2: Convert to fraction form
   70,227.69/105,333.71 = 17,637.30/x
3. Step 3: Cross multiply
   70,227.69x = 105,333.71 × 17,637.30
4. Step 4: Simplify right side
   70,227.69x = 1,857,802,155.20
5. Step 5: Solve for x
   x = 1,857,802,155.20/70,227.69
6. Step 6: Final answer
   x = 26,453.98