Finding the Fourth Proportional to 22,308.59, 30,769.72 and 18,946.07

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.59 : 30,769.72 = 18,946.07 : x
2. Step 2: Convert to fraction form
   22,308.59/30,769.72 = 18,946.07/x
3. Step 3: Cross multiply
   22,308.59x = 30,769.72 × 18,946.07
4. Step 4: Simplify right side
   22,308.59x = 582,965,298.56
5. Step 5: Solve for x
   x = 582,965,298.56/22,308.59
6. Step 6: Final answer
   x = 26,131.88