Finding the Fourth Proportional to 9,308.30, 12,845.40 and 5,116.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.30 : 12,845.40 = 5,116.52 : x
2. Step 2: Convert to fraction form
   9,308.30/12,845.40 = 5,116.52/x
3. Step 3: Cross multiply
   9,308.30x = 12,845.40 × 5,116.52
4. Step 4: Simplify right side
   9,308.30x = 65,723,746.01
5. Step 5: Solve for x
   x = 65,723,746.01/9,308.30
6. Step 6: Final answer
   x = 7,060.77