Finding the Fourth Proportional to 9,707.46, 13,396.59 and 5,731.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,707.46 : 13,396.59 = 5,731.98 : x
2. Step 2: Convert to fraction form
   9,707.46/13,396.59 = 5,731.98/x
3. Step 3: Cross multiply
   9,707.46x = 13,396.59 × 5,731.98
4. Step 4: Simplify right side
   9,707.46x = 76,788,985.95
5. Step 5: Solve for x
   x = 76,788,985.95/9,707.46
6. Step 6: Final answer
   x = 7,910.31