Finding the Fourth Proportional to 70,500.05, 105,748.71 and 17,192.23

Step by Step Solution

1. Step 1: Write the proportion equation
   70,500.05 : 105,748.71 = 17,192.23 : x
2. Step 2: Convert to fraction form
   70,500.05/105,748.71 = 17,192.23/x
3. Step 3: Cross multiply
   70,500.05x = 105,748.71 × 17,192.23
4. Step 4: Simplify right side
   70,500.05x = 1,818,055,815.68
5. Step 5: Solve for x
   x = 1,818,055,815.68/70,500.05
6. Step 6: Final answer
   x = 25,788.01