Finding the Fourth Proportional to 9,899.82, 14,841.09 and 3,739.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.82 : 14,841.09 = 3,739.50 : x
2. Step 2: Convert to fraction form
   9,899.82/14,841.09 = 3,739.50/x
3. Step 3: Cross multiply
   9,899.82x = 14,841.09 × 3,739.50
4. Step 4: Simplify right side
   9,899.82x = 55,498,256.06
5. Step 5: Solve for x
   x = 55,498,256.06/9,899.82
6. Step 6: Final answer
   x = 5,605.99