Finding the Fourth Proportional to 22,440.34, 30,967.41 and 13,009.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,440.34 : 30,967.41 = 13,009.78 : x
2. Step 2: Convert to fraction form
   22,440.34/30,967.41 = 13,009.78/x
3. Step 3: Cross multiply
   22,440.34x = 30,967.41 × 13,009.78
4. Step 4: Simplify right side
   22,440.34x = 402,879,191.27
5. Step 5: Solve for x
   x = 402,879,191.27/22,440.34
6. Step 6: Final answer
   x = 17,953.35