Finding the Fourth Proportional to 51,503.20, 71,081.61 and 37,209.29

Step by Step Solution

1. Step 1: Write the proportion equation
   51,503.20 : 71,081.61 = 37,209.29 : x
2. Step 2: Convert to fraction form
   51,503.20/71,081.61 = 37,209.29/x
3. Step 3: Cross multiply
   51,503.20x = 71,081.61 × 37,209.29
4. Step 4: Simplify right side
   51,503.20x = 2,644,895,884.75
5. Step 5: Solve for x
   x = 2,644,895,884.75/51,503.20
6. Step 6: Final answer
   x = 51,354.02