Finding the Fourth Proportional to 22,435.52, 30,959.21 and 13,004.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,435.52 : 30,959.21 = 13,004.69 : x
2. Step 2: Convert to fraction form
   22,435.52/30,959.21 = 13,004.69/x
3. Step 3: Cross multiply
   22,435.52x = 30,959.21 × 13,004.69
4. Step 4: Simplify right side
   22,435.52x = 402,614,806.41
5. Step 5: Solve for x
   x = 402,614,806.41/22,435.52
6. Step 6: Final answer
   x = 17,945.42