Finding the Fourth Proportional to 8,784.10, 12,122.37 and 5,007.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.10 : 12,122.37 = 5,007.84 : x
2. Step 2: Convert to fraction form
   8,784.10/12,122.37 = 5,007.84/x
3. Step 3: Cross multiply
   8,784.10x = 12,122.37 × 5,007.84
4. Step 4: Simplify right side
   8,784.10x = 60,706,889.38
5. Step 5: Solve for x
   x = 60,706,889.38/8,784.10
6. Step 6: Final answer
   x = 6,911.00