Finding the Fourth Proportional to 78,375.42, 108,095.55 and 51,545.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,375.42 : 108,095.55 = 51,545.48 : x
2. Step 2: Convert to fraction form
   78,375.42/108,095.55 = 51,545.48/x
3. Step 3: Cross multiply
   78,375.42x = 108,095.55 × 51,545.48
4. Step 4: Simplify right side
   78,375.42x = 5,571,836,470.14
5. Step 5: Solve for x
   x = 5,571,836,470.14/78,375.42
6. Step 6: Final answer
   x = 71,091.63