Finding the Fourth Proportional to 8,784.65, 12,126.77 and 5,602.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.65 : 12,126.77 = 5,602.22 : x
2. Step 2: Convert to fraction form
   8,784.65/12,126.77 = 5,602.22/x
3. Step 3: Cross multiply
   8,784.65x = 12,126.77 × 5,602.22
4. Step 4: Simplify right side
   8,784.65x = 67,936,744.78
5. Step 5: Solve for x
   x = 67,936,744.78/8,784.65
6. Step 6: Final answer
   x = 7,733.58