Finding the Fourth Proportional to 112,958.82, 155,865.83 and 65,202.95

Step by Step Solution

1. Step 1: Write the proportion equation
   112,958.82 : 155,865.83 = 65,202.95 : x
2. Step 2: Convert to fraction form
   112,958.82/155,865.83 = 65,202.95/x
3. Step 3: Cross multiply
   112,958.82x = 155,865.83 × 65,202.95
4. Step 4: Simplify right side
   112,958.82x = 10,162,910,814.85
5. Step 5: Solve for x
   x = 10,162,910,814.85/112,958.82
6. Step 6: Final answer
   x = 89,970.05