Finding the Fourth Proportional to 10,830.98, 16,236.76 and 3,900.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.98 : 16,236.76 = 3,900.62 : x
2. Step 2: Convert to fraction form
   10,830.98/16,236.76 = 3,900.62/x
3. Step 3: Cross multiply
   10,830.98x = 16,236.76 × 3,900.62
4. Step 4: Simplify right side
   10,830.98x = 63,333,430.79
5. Step 5: Solve for x
   x = 63,333,430.79/10,830.98
6. Step 6: Final answer
   x = 5,847.43