Finding the Fourth Proportional to 83,419.92, 115,130.52 and 47,601.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,419.92 : 115,130.52 = 47,601.72 : x
2. Step 2: Convert to fraction form
   83,419.92/115,130.52 = 47,601.72/x
3. Step 3: Cross multiply
   83,419.92x = 115,130.52 × 47,601.72
4. Step 4: Simplify right side
   83,419.92x = 5,480,410,776.49
5. Step 5: Solve for x
   x = 5,480,410,776.49/83,419.92
6. Step 6: Final answer
   x = 65,696.67