Finding the Fourth Proportional to 22,296.02, 30,769.89 and 12,360.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,296.02 : 30,769.89 = 12,360.02 : x
2. Step 2: Convert to fraction form
   22,296.02/30,769.89 = 12,360.02/x
3. Step 3: Cross multiply
   22,296.02x = 30,769.89 × 12,360.02
4. Step 4: Simplify right side
   22,296.02x = 380,316,455.80
5. Step 5: Solve for x
   x = 380,316,455.80/22,296.02
6. Step 6: Final answer
   x = 17,057.59