Finding the Fourth Proportional to 80,916.90, 111,665.37 and 45,106.08

Step by Step Solution

1. Step 1: Write the proportion equation
   80,916.90 : 111,665.37 = 45,106.08 : x
2. Step 2: Convert to fraction form
   80,916.90/111,665.37 = 45,106.08/x
3. Step 3: Cross multiply
   80,916.90x = 111,665.37 × 45,106.08
4. Step 4: Simplify right side
   80,916.90x = 5,036,787,112.45
5. Step 5: Solve for x
   x = 5,036,787,112.45/80,916.90
6. Step 6: Final answer
   x = 62,246.42