Finding the Fourth Proportional to 10,830.69, 16,246.62 and 3,435.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.69 : 16,246.62 = 3,435.72 : x
2. Step 2: Convert to fraction form
   10,830.69/16,246.62 = 3,435.72/x
3. Step 3: Cross multiply
   10,830.69x = 16,246.62 × 3,435.72
4. Step 4: Simplify right side
   10,830.69x = 55,818,869.29
5. Step 5: Solve for x
   x = 55,818,869.29/10,830.69
6. Step 6: Final answer
   x = 5,153.77