Finding the Fourth Proportional to 9,097.15, 12,553.36 and 5,117.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,097.15 : 12,553.36 = 5,117.47 : x
2. Step 2: Convert to fraction form
   9,097.15/12,553.36 = 5,117.47/x
3. Step 3: Cross multiply
   9,097.15x = 12,553.36 × 5,117.47
4. Step 4: Simplify right side
   9,097.15x = 64,241,443.20
5. Step 5: Solve for x
   x = 64,241,443.20/9,097.15
6. Step 6: Final answer
   x = 7,061.71