Finding the Fourth Proportional to 69,760.29, 104,629.24 and 19,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,760.29 : 104,629.24 = 19,147.50 : x
2. Step 2: Convert to fraction form
   69,760.29/104,629.24 = 19,147.50/x
3. Step 3: Cross multiply
   69,760.29x = 104,629.24 × 19,147.50
4. Step 4: Simplify right side
   69,760.29x = 2,003,388,396.83
5. Step 5: Solve for x
   x = 2,003,388,396.83/69,760.29
6. Step 6: Final answer
   x = 28,718.18