Finding the Fourth Proportional to 8,787.59, 13,181.54 and 3,238.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,787.59 : 13,181.54 = 3,238.08 : x
2. Step 2: Convert to fraction form
   8,787.59/13,181.54 = 3,238.08/x
3. Step 3: Cross multiply
   8,787.59x = 13,181.54 × 3,238.08
4. Step 4: Simplify right side
   8,787.59x = 42,682,815.42
5. Step 5: Solve for x
   x = 42,682,815.42/8,787.59
6. Step 6: Final answer
   x = 4,857.17