Finding the Fourth Proportional to 9,707.82, 13,397.70 and 5,516.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,707.82 : 13,397.70 = 5,516.07 : x
2. Step 2: Convert to fraction form
   9,707.82/13,397.70 = 5,516.07/x
3. Step 3: Cross multiply
   9,707.82x = 13,397.70 × 5,516.07
4. Step 4: Simplify right side
   9,707.82x = 73,902,651.04
5. Step 5: Solve for x
   x = 73,902,651.04/9,707.82
6. Step 6: Final answer
   x = 7,612.69