Finding the Fourth Proportional to 12,097.00, 18,128.48 and 9,620.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,097.00 : 18,128.48 = 9,620.83 : x
2. Step 2: Convert to fraction form
   12,097.00/18,128.48 = 9,620.83/x
3. Step 3: Cross multiply
   12,097.00x = 18,128.48 × 9,620.83
4. Step 4: Simplify right side
   12,097.00x = 174,410,885.49
5. Step 5: Solve for x
   x = 174,410,885.49/12,097.00
6. Step 6: Final answer
   x = 14,417.70