Finding the Fourth Proportional to 70,091.36, 105,136.50 and 17,500.49

Step by Step Solution

1. Step 1: Write the proportion equation
   70,091.36 : 105,136.50 = 17,500.49 : x
2. Step 2: Convert to fraction form
   70,091.36/105,136.50 = 17,500.49/x
3. Step 3: Cross multiply
   70,091.36x = 105,136.50 × 17,500.49
4. Step 4: Simplify right side
   70,091.36x = 1,839,940,266.89
5. Step 5: Solve for x
   x = 1,839,940,266.89/70,091.36
6. Step 6: Final answer
   x = 26,250.60