Finding the Fourth Proportional to 80,901.50, 111,646.69 and 45,099.09

Step by Step Solution

1. Step 1: Write the proportion equation
   80,901.50 : 111,646.69 = 45,099.09 : x
2. Step 2: Convert to fraction form
   80,901.50/111,646.69 = 45,099.09/x
3. Step 3: Cross multiply
   80,901.50x = 111,646.69 × 45,099.09
4. Step 4: Simplify right side
   80,901.50x = 5,035,164,007.76
5. Step 5: Solve for x
   x = 5,035,164,007.76/80,901.50
6. Step 6: Final answer
   x = 62,238.21