Finding the Fourth Proportional to 8,851.74, 12,215.69 and 4,873.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,851.74 : 12,215.69 = 4,873.15 : x
2. Step 2: Convert to fraction form
   8,851.74/12,215.69 = 4,873.15/x
3. Step 3: Cross multiply
   8,851.74x = 12,215.69 × 4,873.15
4. Step 4: Simplify right side
   8,851.74x = 59,528,889.72
5. Step 5: Solve for x
   x = 59,528,889.72/8,851.74
6. Step 6: Final answer
   x = 6,725.11