Finding the Fourth Proportional to 8,775.60, 12,109.24 and 5,238.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,775.60 : 12,109.24 = 5,238.04 : x
2. Step 2: Convert to fraction form
   8,775.60/12,109.24 = 5,238.04/x
3. Step 3: Cross multiply
   8,775.60x = 12,109.24 × 5,238.04
4. Step 4: Simplify right side
   8,775.60x = 63,428,683.49
5. Step 5: Solve for x
   x = 63,428,683.49/8,775.60
6. Step 6: Final answer
   x = 7,227.85