Finding the Fourth Proportional to 10,141.76, 15,213.32 and 4,216.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,141.76 : 15,213.32 = 4,216.35 : x
2. Step 2: Convert to fraction form
   10,141.76/15,213.32 = 4,216.35/x
3. Step 3: Cross multiply
   10,141.76x = 15,213.32 × 4,216.35
4. Step 4: Simplify right side
   10,141.76x = 64,144,733.56
5. Step 5: Solve for x
   x = 64,144,733.56/10,141.76
6. Step 6: Final answer
   x = 6,324.81