Finding the Fourth Proportional to 52,662.82, 78,986.42 and 19,375.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,662.82 : 78,986.42 = 19,375.10 : x
2. Step 2: Convert to fraction form
   52,662.82/78,986.42 = 19,375.10/x
3. Step 3: Cross multiply
   52,662.82x = 78,986.42 × 19,375.10
4. Step 4: Simplify right side
   52,662.82x = 1,530,369,786.14
5. Step 5: Solve for x
   x = 1,530,369,786.14/52,662.82
6. Step 6: Final answer
   x = 29,059.78