Finding the Fourth Proportional to 9,308.18, 12,845.33 and 5,116.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.18 : 12,845.33 = 5,116.70 : x
2. Step 2: Convert to fraction form
   9,308.18/12,845.33 = 5,116.70/x
3. Step 3: Cross multiply
   9,308.18x = 12,845.33 × 5,116.70
4. Step 4: Simplify right side
   9,308.18x = 65,725,700.01
5. Step 5: Solve for x
   x = 65,725,700.01/9,308.18
6. Step 6: Final answer
   x = 7,061.07