Finding the Fourth Proportional to 8,832.54, 13,250.72 and 2,989.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,832.54 : 13,250.72 = 2,989.02 : x
2. Step 2: Convert to fraction form
   8,832.54/13,250.72 = 2,989.02/x
3. Step 3: Cross multiply
   8,832.54x = 13,250.72 × 2,989.02
4. Step 4: Simplify right side
   8,832.54x = 39,606,667.09
5. Step 5: Solve for x
   x = 39,606,667.09/8,832.54
6. Step 6: Final answer
   x = 4,484.18