Finding the Fourth Proportional to 11,390.76, 17,087.02 and 4,818.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,390.76 : 17,087.02 = 4,818.83 : x
2. Step 2: Convert to fraction form
   11,390.76/17,087.02 = 4,818.83/x
3. Step 3: Cross multiply
   11,390.76x = 17,087.02 × 4,818.83
4. Step 4: Simplify right side
   11,390.76x = 82,339,347.10
5. Step 5: Solve for x
   x = 82,339,347.10/11,390.76
6. Step 6: Final answer
   x = 7,228.61