Finding the Fourth Proportional to 11,422.86, 17,130.62 and 3,629.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,422.86 : 17,130.62 = 3,629.85 : x
2. Step 2: Convert to fraction form
   11,422.86/17,130.62 = 3,629.85/x
3. Step 3: Cross multiply
   11,422.86x = 17,130.62 × 3,629.85
4. Step 4: Simplify right side
   11,422.86x = 62,181,581.01
5. Step 5: Solve for x
   x = 62,181,581.01/11,422.86
6. Step 6: Final answer
   x = 5,443.61