Finding the Fourth Proportional to 84,731, 116,928.78 and 47,005.52

Step by Step Solution

1. Step 1: Write the proportion equation
   84,731 : 116,928.78 = 47,005.52 : x
2. Step 2: Convert to fraction form
   84,731/116,928.78 = 47,005.52/x
3. Step 3: Cross multiply
   84,731x = 116,928.78 × 47,005.52
4. Step 4: Simplify right side
   84,731x = 5,496,298,106.87
5. Step 5: Solve for x
   x = 5,496,298,106.87/84,731
6. Step 6: Final answer
   x = 64,867.62