Finding the Fourth Proportional to 8,934.10, 12,322.63 and 5,905.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,934.10 : 12,322.63 = 5,905.71 : x
2. Step 2: Convert to fraction form
   8,934.10/12,322.63 = 5,905.71/x
3. Step 3: Cross multiply
   8,934.10x = 12,322.63 × 5,905.71
4. Step 4: Simplify right side
   8,934.10x = 72,773,879.22
5. Step 5: Solve for x
   x = 72,773,879.22/8,934.10
6. Step 6: Final answer
   x = 8,145.63