Finding the Fourth Proportional to 22,048.70, 30,412.04 and 18,404.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,048.70 : 30,412.04 = 18,404.70 : x
2. Step 2: Convert to fraction form
   22,048.70/30,412.04 = 18,404.70/x
3. Step 3: Cross multiply
   22,048.70x = 30,412.04 × 18,404.70
4. Step 4: Simplify right side
   22,048.70x = 559,724,472.59
5. Step 5: Solve for x
   x = 559,724,472.59/22,048.70
6. Step 6: Final answer
   x = 25,385.83