Finding the Fourth Proportional to 8,784.04, 12,123.12 and 5,249.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.04 : 12,123.12 = 5,249.56 : x
2. Step 2: Convert to fraction form
   8,784.04/12,123.12 = 5,249.56/x
3. Step 3: Cross multiply
   8,784.04x = 12,123.12 × 5,249.56
4. Step 4: Simplify right side
   8,784.04x = 63,641,045.83
5. Step 5: Solve for x
   x = 63,641,045.83/8,784.04
6. Step 6: Final answer
   x = 7,245.08