Finding the Fourth Proportional to 70,110.29, 105,165.71 and 17,519.83

Step by Step Solution

1. Step 1: Write the proportion equation
   70,110.29 : 105,165.71 = 17,519.83 : x
2. Step 2: Convert to fraction form
   70,110.29/105,165.71 = 17,519.83/x
3. Step 3: Cross multiply
   70,110.29x = 105,165.71 × 17,519.83
4. Step 4: Simplify right side
   70,110.29x = 1,842,485,361.03
5. Step 5: Solve for x
   x = 1,842,485,361.03/70,110.29
6. Step 6: Final answer
   x = 26,279.81