Finding the Fourth Proportional to 59,986.71, 90,034.61 and 31,930.23

Step by Step Solution

1. Step 1: Write the proportion equation
   59,986.71 : 90,034.61 = 31,930.23 : x
2. Step 2: Convert to fraction form
   59,986.71/90,034.61 = 31,930.23/x
3. Step 3: Cross multiply
   59,986.71x = 90,034.61 × 31,930.23
4. Step 4: Simplify right side
   59,986.71x = 2,874,825,983.24
5. Step 5: Solve for x
   x = 2,874,825,983.24/59,986.71
6. Step 6: Final answer
   x = 47,924.38