Finding the Fourth Proportional to 78,828.12, 108,801 and 51,975.36

Step by Step Solution

1. Step 1: Write the proportion equation
   78,828.12 : 108,801 = 51,975.36 : x
2. Step 2: Convert to fraction form
   78,828.12/108,801 = 51,975.36/x
3. Step 3: Cross multiply
   78,828.12x = 108,801 × 51,975.36
4. Step 4: Simplify right side
   78,828.12x = 5,654,971,143.36
5. Step 5: Solve for x
   x = 5,654,971,143.36/78,828.12
6. Step 6: Final answer
   x = 71,737.99