Finding the Fourth Proportional to 80,897.49, 111,642.37 and 45,087.77

Step by Step Solution

1. Step 1: Write the proportion equation
   80,897.49 : 111,642.37 = 45,087.77 : x
2. Step 2: Convert to fraction form
   80,897.49/111,642.37 = 45,087.77/x
3. Step 3: Cross multiply
   80,897.49x = 111,642.37 × 45,087.77
4. Step 4: Simplify right side
   80,897.49x = 5,033,705,667.20
5. Step 5: Solve for x
   x = 5,033,705,667.20/80,897.49
6. Step 6: Final answer
   x = 62,223.26