Finding the Fourth Proportional to 8,777.32, 12,112.42 and 4,798.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,777.32 : 12,112.42 = 4,798.42 : x
2. Step 2: Convert to fraction form
   8,777.32/12,112.42 = 4,798.42/x
3. Step 3: Cross multiply
   8,777.32x = 12,112.42 × 4,798.42
4. Step 4: Simplify right side
   8,777.32x = 58,120,478.38
5. Step 5: Solve for x
   x = 58,120,478.38/8,777.32
6. Step 6: Final answer
   x = 6,621.67