Finding the Fourth Proportional to 10,286.52, 15,422.22 and 5,091.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,286.52 : 15,422.22 = 5,091.18 : x
2. Step 2: Convert to fraction form
   10,286.52/15,422.22 = 5,091.18/x
3. Step 3: Cross multiply
   10,286.52x = 15,422.22 × 5,091.18
4. Step 4: Simplify right side
   10,286.52x = 78,517,298.02
5. Step 5: Solve for x
   x = 78,517,298.02/10,286.52
6. Step 6: Final answer
   x = 7,633.03