Finding the Fourth Proportional to 8,784.37, 12,122.37 and 4,805.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.37 : 12,122.37 = 4,805.55 : x
2. Step 2: Convert to fraction form
   8,784.37/12,122.37 = 4,805.55/x
3. Step 3: Cross multiply
   8,784.37x = 12,122.37 × 4,805.55
4. Step 4: Simplify right side
   8,784.37x = 58,254,655.15
5. Step 5: Solve for x
   x = 58,254,655.15/8,784.37
6. Step 6: Final answer
   x = 6,631.63