Finding the Fourth Proportional to 11,818.40, 16,308.96 and 7,103.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,818.40 : 16,308.96 = 7,103.12 : x
2. Step 2: Convert to fraction form
   11,818.40/16,308.96 = 7,103.12/x
3. Step 3: Cross multiply
   11,818.40x = 16,308.96 × 7,103.12
4. Step 4: Simplify right side
   11,818.40x = 115,844,499.96
5. Step 5: Solve for x
   x = 115,844,499.96/11,818.40
6. Step 6: Final answer
   x = 9,802.05