Finding the Fourth Proportional to 8,827.83, 12,182.73 and 5,290.36

Step by Step Solution

1. Step 1: Write the proportion equation
   8,827.83 : 12,182.73 = 5,290.36 : x
2. Step 2: Convert to fraction form
   8,827.83/12,182.73 = 5,290.36/x
3. Step 3: Cross multiply
   8,827.83x = 12,182.73 × 5,290.36
4. Step 4: Simplify right side
   8,827.83x = 64,451,027.48
5. Step 5: Solve for x
   x = 64,451,027.48/8,827.83
6. Step 6: Final answer
   x = 7,300.89