Finding the Fourth Proportional to 10,137.83, 15,200.24 and 4,218.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,137.83 : 15,200.24 = 4,218.81 : x
2. Step 2: Convert to fraction form
   10,137.83/15,200.24 = 4,218.81/x
3. Step 3: Cross multiply
   10,137.83x = 15,200.24 × 4,218.81
4. Step 4: Simplify right side
   10,137.83x = 64,126,903.42
5. Step 5: Solve for x
   x = 64,126,903.42/10,137.83
6. Step 6: Final answer
   x = 6,325.51