Finding the Fourth Proportional to 7,498.77, 11,253.18 and 3,116.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,498.77 : 11,253.18 = 3,116.22 : x
2. Step 2: Convert to fraction form
   7,498.77/11,253.18 = 3,116.22/x
3. Step 3: Cross multiply
   7,498.77x = 11,253.18 × 3,116.22
4. Step 4: Simplify right side
   7,498.77x = 35,067,384.58
5. Step 5: Solve for x
   x = 35,067,384.58/7,498.77
6. Step 6: Final answer
   x = 4,676.42