Finding the Fourth Proportional to 82,144.64, 113,377.29 and 51,910.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,144.64 : 113,377.29 = 51,910.76 : x
2. Step 2: Convert to fraction form
   82,144.64/113,377.29 = 51,910.76/x
3. Step 3: Cross multiply
   82,144.64x = 113,377.29 × 51,910.76
4. Step 4: Simplify right side
   82,144.64x = 5,885,501,290.64
5. Step 5: Solve for x
   x = 5,885,501,290.64/82,144.64
6. Step 6: Final answer
   x = 71,648.03