Finding the Fourth Proportional to 8,784.37, 12,122.79 and 5,008.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.37 : 12,122.79 = 5,008.12 : x
2. Step 2: Convert to fraction form
   8,784.37/12,122.79 = 5,008.12/x
3. Step 3: Cross multiply
   8,784.37x = 12,122.79 × 5,008.12
4. Step 4: Simplify right side
   8,784.37x = 60,712,387.05
5. Step 5: Solve for x
   x = 60,712,387.05/8,784.37
6. Step 6: Final answer
   x = 6,911.41