Finding the Fourth Proportional to 72,403.16, 108,622.83 and 51,097.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,403.16 : 108,622.83 = 51,097.47 : x
2. Step 2: Convert to fraction form
   72,403.16/108,622.83 = 51,097.47/x
3. Step 3: Cross multiply
   72,403.16x = 108,622.83 × 51,097.47
4. Step 4: Simplify right side
   72,403.16x = 5,550,352,204.58
5. Step 5: Solve for x
   x = 5,550,352,204.58/72,403.16
6. Step 6: Final answer
   x = 76,658.98