Finding the Fourth Proportional to 9,805.48, 14,707.86 and 2,785.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,805.48 : 14,707.86 = 2,785.46 : x
2. Step 2: Convert to fraction form
   9,805.48/14,707.86 = 2,785.46/x
3. Step 3: Cross multiply
   9,805.48x = 14,707.86 × 2,785.46
4. Step 4: Simplify right side
   9,805.48x = 40,968,155.72
5. Step 5: Solve for x
   x = 40,968,155.72/9,805.48
6. Step 6: Final answer
   x = 4,178.09