Finding the Fourth Proportional to 8,835.41, 12,188.22 and 5,477.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,835.41 : 12,188.22 = 5,477.15 : x
2. Step 2: Convert to fraction form
   8,835.41/12,188.22 = 5,477.15/x
3. Step 3: Cross multiply
   8,835.41x = 12,188.22 × 5,477.15
4. Step 4: Simplify right side
   8,835.41x = 66,756,709.17
5. Step 5: Solve for x
   x = 66,756,709.17/8,835.41
6. Step 6: Final answer
   x = 7,555.59