Finding the Fourth Proportional to 12,164.00, 16,784.89 and 6,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.00 : 16,784.89 = 6,858.50 : x
2. Step 2: Convert to fraction form
   12,164.00/16,784.89 = 6,858.50/x
3. Step 3: Cross multiply
   12,164.00x = 16,784.89 × 6,858.50
4. Step 4: Simplify right side
   12,164.00x = 115,119,066.99
5. Step 5: Solve for x
   x = 115,119,066.99/12,164.00
6. Step 6: Final answer
   x = 9,463.92