Finding the Fourth Proportional to 8,775.17, 12,109.50 and 4,796.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,775.17 : 12,109.50 = 4,796.31 : x
2. Step 2: Convert to fraction form
   8,775.17/12,109.50 = 4,796.31/x
3. Step 3: Cross multiply
   8,775.17x = 12,109.50 × 4,796.31
4. Step 4: Simplify right side
   8,775.17x = 58,080,915.95
5. Step 5: Solve for x
   x = 58,080,915.95/8,775.17
6. Step 6: Final answer
   x = 6,618.78