Finding the Fourth Proportional to 8,808.30, 12,155.82 and 5,270.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,808.30 : 12,155.82 = 5,270.82 : x
2. Step 2: Convert to fraction form
   8,808.30/12,155.82 = 5,270.82/x
3. Step 3: Cross multiply
   8,808.30x = 12,155.82 × 5,270.82
4. Step 4: Simplify right side
   8,808.30x = 64,071,139.17
5. Step 5: Solve for x
   x = 64,071,139.17/8,808.30
6. Step 6: Final answer
   x = 7,273.95