Finding the Fourth Proportional to 82,074.32, 113,290.26 and 51,053.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,074.32 : 113,290.26 = 51,053.72 : x
2. Step 2: Convert to fraction form
   82,074.32/113,290.26 = 51,053.72/x
3. Step 3: Cross multiply
   82,074.32x = 113,290.26 × 51,053.72
4. Step 4: Simplify right side
   82,074.32x = 5,783,889,212.77
5. Step 5: Solve for x
   x = 5,783,889,212.77/82,074.32
6. Step 6: Final answer
   x = 70,471.36