Finding the Fourth Proportional to 80,899.98, 111,642.53 and 45,092.30

Step by Step Solution

1. Step 1: Write the proportion equation
   80,899.98 : 111,642.53 = 45,092.30 : x
2. Step 2: Convert to fraction form
   80,899.98/111,642.53 = 45,092.30/x
3. Step 3: Cross multiply
   80,899.98x = 111,642.53 × 45,092.30
4. Step 4: Simplify right side
   80,899.98x = 5,034,218,455.52
5. Step 5: Solve for x
   x = 5,034,218,455.52/80,899.98
6. Step 6: Final answer
   x = 62,227.68