Finding the Fourth Proportional to 9,200.77, 12,698.51 and 5,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,200.77 : 12,698.51 = 5,616.50 : x
2. Step 2: Convert to fraction form
   9,200.77/12,698.51 = 5,616.50/x
3. Step 3: Cross multiply
   9,200.77x = 12,698.51 × 5,616.50
4. Step 4: Simplify right side
   9,200.77x = 71,321,181.42
5. Step 5: Solve for x
   x = 71,321,181.42/9,200.77
6. Step 6: Final answer
   x = 7,751.65