Finding the Fourth Proportional to 80,892.01, 111,634.20 and 45,081.70

Step by Step Solution

1. Step 1: Write the proportion equation
   80,892.01 : 111,634.20 = 45,081.70 : x
2. Step 2: Convert to fraction form
   80,892.01/111,634.20 = 45,081.70/x
3. Step 3: Cross multiply
   80,892.01x = 111,634.20 × 45,081.70
4. Step 4: Simplify right side
   80,892.01x = 5,032,659,514.14
5. Step 5: Solve for x
   x = 5,032,659,514.14/80,892.01
6. Step 6: Final answer
   x = 62,214.54