Finding the Fourth Proportional to 11,773.16, 17,648.22 and 5,621.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,773.16 : 17,648.22 = 5,621.48 : x
2. Step 2: Convert to fraction form
   11,773.16/17,648.22 = 5,621.48/x
3. Step 3: Cross multiply
   11,773.16x = 17,648.22 × 5,621.48
4. Step 4: Simplify right side
   11,773.16x = 99,209,115.77
5. Step 5: Solve for x
   x = 99,209,115.77/11,773.16
6. Step 6: Final answer
   x = 8,426.72