Finding the Fourth Proportional to 80,436.17, 111,007.17 and 46,446.09

Step by Step Solution

1. Step 1: Write the proportion equation
   80,436.17 : 111,007.17 = 46,446.09 : x
2. Step 2: Convert to fraction form
   80,436.17/111,007.17 = 46,446.09/x
3. Step 3: Cross multiply
   80,436.17x = 111,007.17 × 46,446.09
4. Step 4: Simplify right side
   80,436.17x = 5,155,849,008.47
5. Step 5: Solve for x
   x = 5,155,849,008.47/80,436.17
6. Step 6: Final answer
   x = 64,098.64