Finding the Fourth Proportional to 8,300.79, 11,466.27 and 7,710.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.79 : 11,466.27 = 7,710.30 : x
2. Step 2: Convert to fraction form
   8,300.79/11,466.27 = 7,710.30/x
3. Step 3: Cross multiply
   8,300.79x = 11,466.27 × 7,710.30
4. Step 4: Simplify right side
   8,300.79x = 88,408,381.58
5. Step 5: Solve for x
   x = 88,408,381.58/8,300.79
6. Step 6: Final answer
   x = 10,650.60