Finding the Fourth Proportional to 83,278.83, 114,921.90 and 47,480.37

Step by Step Solution

1. Step 1: Write the proportion equation
   83,278.83 : 114,921.90 = 47,480.37 : x
2. Step 2: Convert to fraction form
   83,278.83/114,921.90 = 47,480.37/x
3. Step 3: Cross multiply
   83,278.83x = 114,921.90 × 47,480.37
4. Step 4: Simplify right side
   83,278.83x = 5,456,534,333.10
5. Step 5: Solve for x
   x = 5,456,534,333.10/83,278.83
6. Step 6: Final answer
   x = 65,521.27