Finding the Fourth Proportional to 10,834.80, 14,949.63 and 7,057.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,834.80 : 14,949.63 = 7,057.59 : x
2. Step 2: Convert to fraction form
   10,834.80/14,949.63 = 7,057.59/x
3. Step 3: Cross multiply
   10,834.80x = 14,949.63 × 7,057.59
4. Step 4: Simplify right side
   10,834.80x = 105,508,359.19
5. Step 5: Solve for x
   x = 105,508,359.19/10,834.80
6. Step 6: Final answer
   x = 9,737.91