Finding the Fourth Proportional to 8,454.83, 11,667.37 and 4,678.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,454.83 : 11,667.37 = 4,678.00 : x
2. Step 2: Convert to fraction form
   8,454.83/11,667.37 = 4,678.00/x
3. Step 3: Cross multiply
   8,454.83x = 11,667.37 × 4,678.00
4. Step 4: Simplify right side
   8,454.83x = 54,579,898.52
5. Step 5: Solve for x
   x = 54,579,898.52/8,454.83
6. Step 6: Final answer
   x = 6,455.47