Finding the Fourth Proportional to 9,326.01, 13,987.29 and 3,086.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,326.01 : 13,987.29 = 3,086.10 : x
2. Step 2: Convert to fraction form
   9,326.01/13,987.29 = 3,086.10/x
3. Step 3: Cross multiply
   9,326.01x = 13,987.29 × 3,086.10
4. Step 4: Simplify right side
   9,326.01x = 43,166,175.67
5. Step 5: Solve for x
   x = 43,166,175.67/9,326.01
6. Step 6: Final answer
   x = 4,628.58