Finding the Fourth Proportional to 59,809.89, 89,716.95 and 31,691.97

Step by Step Solution

1. Step 1: Write the proportion equation
   59,809.89 : 89,716.95 = 31,691.97 : x
2. Step 2: Convert to fraction form
   59,809.89/89,716.95 = 31,691.97/x
3. Step 3: Cross multiply
   59,809.89x = 89,716.95 × 31,691.97
4. Step 4: Simplify right side
   59,809.89x = 2,843,306,887.89
5. Step 5: Solve for x
   x = 2,843,306,887.89/59,809.89
6. Step 6: Final answer
   x = 47,539.08