Finding the Fourth Proportional to 8,784.55, 12,123.84 and 5,009.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.55 : 12,123.84 = 5,009.08 : x
2. Step 2: Convert to fraction form
   8,784.55/12,123.84 = 5,009.08/x
3. Step 3: Cross multiply
   8,784.55x = 12,123.84 × 5,009.08
4. Step 4: Simplify right side
   8,784.55x = 60,729,284.47
5. Step 5: Solve for x
   x = 60,729,284.47/8,784.55
6. Step 6: Final answer
   x = 6,913.19