Finding the Fourth Proportional to 82,145.34, 113,284.71 and 51,877.98

Step by Step Solution

1. Step 1: Write the proportion equation
   82,145.34 : 113,284.71 = 51,877.98 : x
2. Step 2: Convert to fraction form
   82,145.34/113,284.71 = 51,877.98/x
3. Step 3: Cross multiply
   82,145.34x = 113,284.71 × 51,877.98
4. Step 4: Simplify right side
   82,145.34x = 5,876,981,919.69
5. Step 5: Solve for x
   x = 5,876,981,919.69/82,145.34
6. Step 6: Final answer
   x = 71,543.70