Finding the Fourth Proportional to 8,906.34, 13,356.72 and 3,711

Step by Step Solution

1. Step 1: Write the proportion equation
   8,906.34 : 13,356.72 = 3,711 : x
2. Step 2: Convert to fraction form
   8,906.34/13,356.72 = 3,711/x
3. Step 3: Cross multiply
   8,906.34x = 13,356.72 × 3,711
4. Step 4: Simplify right side
   8,906.34x = 49,566,787.92
5. Step 5: Solve for x
   x = 49,566,787.92/8,906.34
6. Step 6: Final answer
   x = 5,565.34