Finding the Fourth Proportional to 8,518.50, 12,778.25 and 3,254.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,518.50 : 12,778.25 = 3,254.00 : x
2. Step 2: Convert to fraction form
   8,518.50/12,778.25 = 3,254.00/x
3. Step 3: Cross multiply
   8,518.50x = 12,778.25 × 3,254.00
4. Step 4: Simplify right side
   8,518.50x = 41,580,345.34
5. Step 5: Solve for x
   x = 41,580,345.34/8,518.50
6. Step 6: Final answer
   x = 4,881.18