Finding the Fourth Proportional to 78,828.06, 108,800.94 and 51,975.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,828.06 : 108,800.94 = 51,975.30 : x
2. Step 2: Convert to fraction form
   78,828.06/108,800.94 = 51,975.30/x
3. Step 3: Cross multiply
   78,828.06x = 108,800.94 × 51,975.30
4. Step 4: Simplify right side
   78,828.06x = 5,654,961,496.78
5. Step 5: Solve for x
   x = 5,654,961,496.78/78,828.06
6. Step 6: Final answer
   x = 71,737.93