Finding the Fourth Proportional to 48,613.37, 72,805.23 and 31,029.89

Step by Step Solution

1. Step 1: Write the proportion equation
   48,613.37 : 72,805.23 = 31,029.89 : x
2. Step 2: Convert to fraction form
   48,613.37/72,805.23 = 31,029.89/x
3. Step 3: Cross multiply
   48,613.37x = 72,805.23 × 31,029.89
4. Step 4: Simplify right side
   48,613.37x = 2,259,137,914.30
5. Step 5: Solve for x
   x = 2,259,137,914.30/48,613.37
6. Step 6: Final answer
   x = 46,471.54