Finding the Fourth Proportional to 10,641.72, 15,956.82 and 3,711

Step by Step Solution

1. Step 1: Write the proportion equation
   10,641.72 : 15,956.82 = 3,711 : x
2. Step 2: Convert to fraction form
   10,641.72/15,956.82 = 3,711/x
3. Step 3: Cross multiply
   10,641.72x = 15,956.82 × 3,711
4. Step 4: Simplify right side
   10,641.72x = 59,215,759.02
5. Step 5: Solve for x
   x = 59,215,759.02/10,641.72
6. Step 6: Final answer
   x = 5,564.49