Finding the Fourth Proportional to 9,308.34, 12,845.34 and 5,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.34 : 12,845.34 = 5,116.50 : x
2. Step 2: Convert to fraction form
   9,308.34/12,845.34 = 5,116.50/x
3. Step 3: Cross multiply
   9,308.34x = 12,845.34 × 5,116.50
4. Step 4: Simplify right side
   9,308.34x = 65,723,182.11
5. Step 5: Solve for x
   x = 65,723,182.11/9,308.34
6. Step 6: Final answer
   x = 7,060.68