Finding the Fourth Proportional to 9,986.22, 14,979.69 and 3,745.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,986.22 : 14,979.69 = 3,745.59 : x
2. Step 2: Convert to fraction form
   9,986.22/14,979.69 = 3,745.59/x
3. Step 3: Cross multiply
   9,986.22x = 14,979.69 × 3,745.59
4. Step 4: Simplify right side
   9,986.22x = 56,107,777.07
5. Step 5: Solve for x
   x = 56,107,777.07/9,986.22
6. Step 6: Final answer
   x = 5,618.52