Finding the Fourth Proportional to 10,208.31, 14,087.51 and 5,731.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,208.31 : 14,087.51 = 5,731.98 : x
2. Step 2: Convert to fraction form
   10,208.31/14,087.51 = 5,731.98/x
3. Step 3: Cross multiply
   10,208.31x = 14,087.51 × 5,731.98
4. Step 4: Simplify right side
   10,208.31x = 80,749,265.58
5. Step 5: Solve for x
   x = 80,749,265.58/10,208.31
6. Step 6: Final answer
   x = 7,910.15