Finding the Fourth Proportional to 82,783.48, 114,280.86 and 50,979.64

Step by Step Solution

1. Step 1: Write the proportion equation
   82,783.48 : 114,280.86 = 50,979.64 : x
2. Step 2: Convert to fraction form
   82,783.48/114,280.86 = 50,979.64/x
3. Step 3: Cross multiply
   82,783.48x = 114,280.86 × 50,979.64
4. Step 4: Simplify right side
   82,783.48x = 5,825,997,101.69
5. Step 5: Solve for x
   x = 5,825,997,101.69/82,783.48
6. Step 6: Final answer
   x = 70,376.33