Finding the Fourth Proportional to 9,005.58, 13,507.86 and 2,431.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,005.58 : 13,507.86 = 2,431.27 : x
2. Step 2: Convert to fraction form
   9,005.58/13,507.86 = 2,431.27/x
3. Step 3: Cross multiply
   9,005.58x = 13,507.86 × 2,431.27
4. Step 4: Simplify right side
   9,005.58x = 32,841,204.80
5. Step 5: Solve for x
   x = 32,841,204.80/9,005.58
6. Step 6: Final answer
   x = 3,646.76