Finding the Fourth Proportional to 31,061.85, 46,578.43 and 9,997.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,061.85 : 46,578.43 = 9,997.98 : x
2. Step 2: Convert to fraction form
   31,061.85/46,578.43 = 9,997.98/x
3. Step 3: Cross multiply
   31,061.85x = 46,578.43 × 9,997.98
4. Step 4: Simplify right side
   31,061.85x = 465,690,211.57
5. Step 5: Solve for x
   x = 465,690,211.57/31,061.85
6. Step 6: Final answer
   x = 14,992.35