Finding the Fourth Proportional to 83,309.50, 115,019.76 and 51,496.48

Step by Step Solution

1. Step 1: Write the proportion equation
   83,309.50 : 115,019.76 = 51,496.48 : x
2. Step 2: Convert to fraction form
   83,309.50/115,019.76 = 51,496.48/x
3. Step 3: Cross multiply
   83,309.50x = 115,019.76 × 51,496.48
4. Step 4: Simplify right side
   83,309.50x = 5,923,112,770.44
5. Step 5: Solve for x
   x = 5,923,112,770.44/83,309.50
6. Step 6: Final answer
   x = 71,097.69