Finding the Fourth Proportional to 8,753.31, 12,079.56 and 4,774.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,753.31 : 12,079.56 = 4,774.43 : x
2. Step 2: Convert to fraction form
   8,753.31/12,079.56 = 4,774.43/x
3. Step 3: Cross multiply
   8,753.31x = 12,079.56 × 4,774.43
4. Step 4: Simplify right side
   8,753.31x = 57,673,013.65
5. Step 5: Solve for x
   x = 57,673,013.65/8,753.31
6. Step 6: Final answer
   x = 6,588.71