Finding the Fourth Proportional to 11,851.58, 17,782.56 and 5,616.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,851.58 : 17,782.56 = 5,616.05 : x
2. Step 2: Convert to fraction form
   11,851.58/17,782.56 = 5,616.05/x
3. Step 3: Cross multiply
   11,851.58x = 17,782.56 × 5,616.05
4. Step 4: Simplify right side
   11,851.58x = 99,867,746.09
5. Step 5: Solve for x
   x = 99,867,746.09/11,851.58
6. Step 6: Final answer
   x = 8,426.53