Finding the Fourth Proportional to 8,404.56, 11,598.18 and 4,678.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.56 : 11,598.18 = 4,678.56 : x
2. Step 2: Convert to fraction form
   8,404.56/11,598.18 = 4,678.56/x
3. Step 3: Cross multiply
   8,404.56x = 11,598.18 × 4,678.56
4. Step 4: Simplify right side
   8,404.56x = 54,262,781.02
5. Step 5: Solve for x
   x = 54,262,781.02/8,404.56
6. Step 6: Final answer
   x = 6,456.35