Finding the Fourth Proportional to 81,793.39, 112,873.26 and 45,494.05

Step by Step Solution

1. Step 1: Write the proportion equation
   81,793.39 : 112,873.26 = 45,494.05 : x
2. Step 2: Convert to fraction form
   81,793.39/112,873.26 = 45,494.05/x
3. Step 3: Cross multiply
   81,793.39x = 112,873.26 × 45,494.05
4. Step 4: Simplify right side
   81,793.39x = 5,135,061,506.63
5. Step 5: Solve for x
   x = 5,135,061,506.63/81,793.39
6. Step 6: Final answer
   x = 62,780.89