Finding the Fourth Proportional to 53,085.39, 73,256 and 29,209.83

Step by Step Solution

1. Step 1: Write the proportion equation
   53,085.39 : 73,256 = 29,209.83 : x
2. Step 2: Convert to fraction form
   53,085.39/73,256 = 29,209.83/x
3. Step 3: Cross multiply
   53,085.39x = 73,256 × 29,209.83
4. Step 4: Simplify right side
   53,085.39x = 2,139,795,306.48
5. Step 5: Solve for x
   x = 2,139,795,306.48/53,085.39
6. Step 6: Final answer
   x = 40,308.55