Finding the Fourth Proportional to 8,743.78, 12,066.42 and 4,764.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,743.78 : 12,066.42 = 4,764.90 : x
2. Step 2: Convert to fraction form
   8,743.78/12,066.42 = 4,764.90/x
3. Step 3: Cross multiply
   8,743.78x = 12,066.42 × 4,764.90
4. Step 4: Simplify right side
   8,743.78x = 57,495,224.33
5. Step 5: Solve for x
   x = 57,495,224.33/8,743.78
6. Step 6: Final answer
   x = 6,575.56