Finding the Fourth Proportional to 83,976.05, 115,866.82 and 47,669.42

Step by Step Solution

1. Step 1: Write the proportion equation
   83,976.05 : 115,866.82 = 47,669.42 : x
2. Step 2: Convert to fraction form
   83,976.05/115,866.82 = 47,669.42/x
3. Step 3: Cross multiply
   83,976.05x = 115,866.82 × 47,669.42
4. Step 4: Simplify right side
   83,976.05x = 5,523,303,288.96
5. Step 5: Solve for x
   x = 5,523,303,288.96/83,976.05
6. Step 6: Final answer
   x = 65,772.37