Finding the Fourth Proportional to 10,830.15, 16,245.68 and 3,434.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.15 : 16,245.68 = 3,434.90 : x
2. Step 2: Convert to fraction form
   10,830.15/16,245.68 = 3,434.90/x
3. Step 3: Cross multiply
   10,830.15x = 16,245.68 × 3,434.90
4. Step 4: Simplify right side
   10,830.15x = 55,802,187.83
5. Step 5: Solve for x
   x = 55,802,187.83/10,830.15
6. Step 6: Final answer
   x = 5,152.49