Finding the Fourth Proportional to 189,255.82, 283,872.57 and 70,917.25

Step by Step Solution

1. Step 1: Write the proportion equation
   189,255.82 : 283,872.57 = 70,917.25 : x
2. Step 2: Convert to fraction form
   189,255.82/283,872.57 = 70,917.25/x
3. Step 3: Cross multiply
   189,255.82x = 283,872.57 × 70,917.25
4. Step 4: Simplify right side
   189,255.82x = 20,131,462,014.83
5. Step 5: Solve for x
   x = 20,131,462,014.83/189,255.82
6. Step 6: Final answer
   x = 106,371.69