Finding the Fourth Proportional to 83,564.91, 115,327.86 and 47,760.06

Step by Step Solution

1. Step 1: Write the proportion equation
   83,564.91 : 115,327.86 = 47,760.06 : x
2. Step 2: Convert to fraction form
   83,564.91/115,327.86 = 47,760.06/x
3. Step 3: Cross multiply
   83,564.91x = 115,327.86 × 47,760.06
4. Step 4: Simplify right side
   83,564.91x = 5,508,065,513.27
5. Step 5: Solve for x
   x = 5,508,065,513.27/83,564.91
6. Step 6: Final answer
   x = 65,913.62