Finding the Fourth Proportional to 83,722.32, 115,540.81 and 51,458.34

Step by Step Solution

1. Step 1: Write the proportion equation
   83,722.32 : 115,540.81 = 51,458.34 : x
2. Step 2: Convert to fraction form
   83,722.32/115,540.81 = 51,458.34/x
3. Step 3: Cross multiply
   83,722.32x = 115,540.81 × 51,458.34
4. Step 4: Simplify right side
   83,722.32x = 5,945,538,284.86
5. Step 5: Solve for x
   x = 5,945,538,284.86/83,722.32
6. Step 6: Final answer
   x = 71,014.97