Finding the Fourth Proportional to 14,041.57, 21,056.50 and 5,715.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,041.57 : 21,056.50 = 5,715.96 : x
2. Step 2: Convert to fraction form
   14,041.57/21,056.50 = 5,715.96/x
3. Step 3: Cross multiply
   14,041.57x = 21,056.50 × 5,715.96
4. Step 4: Simplify right side
   14,041.57x = 120,358,111.74
5. Step 5: Solve for x
   x = 120,358,111.74/14,041.57
6. Step 6: Final answer
   x = 8,571.56