Finding the Fourth Proportional to 8,131.11, 12,185.73 and 5,929.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.11 : 12,185.73 = 5,929.53 : x
2. Step 2: Convert to fraction form
   8,131.11/12,185.73 = 5,929.53/x
3. Step 3: Cross multiply
   8,131.11x = 12,185.73 × 5,929.53
4. Step 4: Simplify right side
   8,131.11x = 72,255,651.61
5. Step 5: Solve for x
   x = 72,255,651.61/8,131.11
6. Step 6: Final answer
   x = 8,886.32