Finding the Fourth Proportional to 10,824.83, 16,237.81 and 3,428.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,824.83 : 16,237.81 = 3,428.72 : x
2. Step 2: Convert to fraction form
   10,824.83/16,237.81 = 3,428.72/x
3. Step 3: Cross multiply
   10,824.83x = 16,237.81 × 3,428.72
4. Step 4: Simplify right side
   10,824.83x = 55,674,822.71
5. Step 5: Solve for x
   x = 55,674,822.71/10,824.83
6. Step 6: Final answer
   x = 5,143.25