Finding the Fourth Proportional to 80,738.25, 111,418.79 and 45,410.25

Step by Step Solution

1. Step 1: Write the proportion equation
   80,738.25 : 111,418.79 = 45,410.25 : x
2. Step 2: Convert to fraction form
   80,738.25/111,418.79 = 45,410.25/x
3. Step 3: Cross multiply
   80,738.25x = 111,418.79 × 45,410.25
4. Step 4: Simplify right side
   80,738.25x = 5,059,554,881.55
5. Step 5: Solve for x
   x = 5,059,554,881.55/80,738.25
6. Step 6: Final answer
   x = 62,666.15