Finding the Fourth Proportional to 9,971.35, 14,950.79 and 3,728.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,971.35 : 14,950.79 = 3,728.07 : x
2. Step 2: Convert to fraction form
   9,971.35/14,950.79 = 3,728.07/x
3. Step 3: Cross multiply
   9,971.35x = 14,950.79 × 3,728.07
4. Step 4: Simplify right side
   9,971.35x = 55,737,573.03
5. Step 5: Solve for x
   x = 55,737,573.03/9,971.35
6. Step 6: Final answer
   x = 5,589.77