Finding the Fourth Proportional to 52,448.69, 78,662.10 and 19,184.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,448.69 : 78,662.10 = 19,184.42 : x
2. Step 2: Convert to fraction form
   52,448.69/78,662.10 = 19,184.42/x
3. Step 3: Cross multiply
   52,448.69x = 78,662.10 × 19,184.42
4. Step 4: Simplify right side
   52,448.69x = 1,509,086,764.48
5. Step 5: Solve for x
   x = 1,509,086,764.48/52,448.69
6. Step 6: Final answer
   x = 28,772.63