Finding the Fourth Proportional to 9,030.77, 13,536.92 and 3,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,030.77 : 13,536.92 = 3,105.88 : x
2. Step 2: Convert to fraction form
   9,030.77/13,536.92 = 3,105.88/x
3. Step 3: Cross multiply
   9,030.77x = 13,536.92 × 3,105.88
4. Step 4: Simplify right side
   9,030.77x = 42,044,049.09
5. Step 5: Solve for x
   x = 42,044,049.09/9,030.77
6. Step 6: Final answer
   x = 4,655.64