Finding the Fourth Proportional to 8,895.40, 12,275.22 and 5,746.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,895.40 : 12,275.22 = 5,746.12 : x
2. Step 2: Convert to fraction form
   8,895.40/12,275.22 = 5,746.12/x
3. Step 3: Cross multiply
   8,895.40x = 12,275.22 × 5,746.12
4. Step 4: Simplify right side
   8,895.40x = 70,534,887.15
5. Step 5: Solve for x
   x = 70,534,887.15/8,895.40
6. Step 6: Final answer
   x = 7,929.37