Finding the Fourth Proportional to 9,111.97, 13,659.31 and 3,563.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.97 : 13,659.31 = 3,563.47 : x
2. Step 2: Convert to fraction form
   9,111.97/13,659.31 = 3,563.47/x
3. Step 3: Cross multiply
   9,111.97x = 13,659.31 × 3,563.47
4. Step 4: Simplify right side
   9,111.97x = 48,674,541.41
5. Step 5: Solve for x
   x = 48,674,541.41/9,111.97
6. Step 6: Final answer
   x = 5,341.82