Finding the Fourth Proportional to 9,264.82, 12,785.42 and 5,285.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,264.82 : 12,785.42 = 5,285.94 : x
2. Step 2: Convert to fraction form
   9,264.82/12,785.42 = 5,285.94/x
3. Step 3: Cross multiply
   9,264.82x = 12,785.42 × 5,285.94
4. Step 4: Simplify right side
   9,264.82x = 67,582,962.99
5. Step 5: Solve for x
   x = 67,582,962.99/9,264.82
6. Step 6: Final answer
   x = 7,294.58