Finding the Fourth Proportional to 10,834.31, 16,251.93 and 3,438.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,834.31 : 16,251.93 = 3,438.61 : x
2. Step 2: Convert to fraction form
   10,834.31/16,251.93 = 3,438.61/x
3. Step 3: Cross multiply
   10,834.31x = 16,251.93 × 3,438.61
4. Step 4: Simplify right side
   10,834.31x = 55,884,008.39
5. Step 5: Solve for x
   x = 55,884,008.39/10,834.31
6. Step 6: Final answer
   x = 5,158.06