Finding the Fourth Proportional to 78,367.72, 108,180.56 and 52,908.57

Step by Step Solution

1. Step 1: Write the proportion equation
   78,367.72 : 108,180.56 = 52,908.57 : x
2. Step 2: Convert to fraction form
   78,367.72/108,180.56 = 52,908.57/x
3. Step 3: Cross multiply
   78,367.72x = 108,180.56 × 52,908.57
4. Step 4: Simplify right side
   78,367.72x = 5,723,678,967.31
5. Step 5: Solve for x
   x = 5,723,678,967.31/78,367.72
6. Step 6: Final answer
   x = 73,036.18