Finding the Fourth Proportional to 10,834.25, 14,952.37 and 7,811.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,834.25 : 14,952.37 = 7,811.86 : x
2. Step 2: Convert to fraction form
   10,834.25/14,952.37 = 7,811.86/x
3. Step 3: Cross multiply
   10,834.25x = 14,952.37 × 7,811.86
4. Step 4: Simplify right side
   10,834.25x = 116,805,821.11
5. Step 5: Solve for x
   x = 116,805,821.11/10,834.25
6. Step 6: Final answer
   x = 10,781.16