Finding the Fourth Proportional to 82,814.96, 114,285.20 and 47,005.57

Step by Step Solution

1. Step 1: Write the proportion equation
   82,814.96 : 114,285.20 = 47,005.57 : x
2. Step 2: Convert to fraction form
   82,814.96/114,285.20 = 47,005.57/x
3. Step 3: Cross multiply
   82,814.96x = 114,285.20 × 47,005.57
4. Step 4: Simplify right side
   82,814.96x = 5,372,040,876.39
5. Step 5: Solve for x
   x = 5,372,040,876.39/82,814.96
6. Step 6: Final answer
   x = 64,868.00