Finding the Fourth Proportional to 53,105.88, 73,269.54 and 30,131.94

Step by Step Solution

1. Step 1: Write the proportion equation
   53,105.88 : 73,269.54 = 30,131.94 : x
2. Step 2: Convert to fraction form
   53,105.88/73,269.54 = 30,131.94/x
3. Step 3: Cross multiply
   53,105.88x = 73,269.54 × 30,131.94
4. Step 4: Simplify right side
   53,105.88x = 2,207,753,383.11
5. Step 5: Solve for x
   x = 2,207,753,383.11/53,105.88
6. Step 6: Final answer
   x = 41,572.67