Finding the Fourth Proportional to 9,096.99, 12,553.79 and 5,118.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,096.99 : 12,553.79 = 5,118.13 : x
2. Step 2: Convert to fraction form
   9,096.99/12,553.79 = 5,118.13/x
3. Step 3: Cross multiply
   9,096.99x = 12,553.79 × 5,118.13
4. Step 4: Simplify right side
   9,096.99x = 64,251,929.21
5. Step 5: Solve for x
   x = 64,251,929.21/9,096.99
6. Step 6: Final answer
   x = 7,062.99