Finding the Fourth Proportional to 91,100.82, 125,719.32 and 50,817.18

Step by Step Solution

1. Step 1: Write the proportion equation
   91,100.82 : 125,719.32 = 50,817.18 : x
2. Step 2: Convert to fraction form
   91,100.82/125,719.32 = 50,817.18/x
3. Step 3: Cross multiply
   91,100.82x = 125,719.32 × 50,817.18
4. Step 4: Simplify right side
   91,100.82x = 6,388,701,313.92
5. Step 5: Solve for x
   x = 6,388,701,313.92/91,100.82
6. Step 6: Final answer
   x = 70,127.81