Finding the Fourth Proportional to 8,832.43, 12,188.72 and 5,055.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,832.43 : 12,188.72 = 5,055.58 : x
2. Step 2: Convert to fraction form
   8,832.43/12,188.72 = 5,055.58/x
3. Step 3: Cross multiply
   8,832.43x = 12,188.72 × 5,055.58
4. Step 4: Simplify right side
   8,832.43x = 61,621,049.06
5. Step 5: Solve for x
   x = 61,621,049.06/8,832.43
6. Step 6: Final answer
   x = 6,976.68