Finding the Fourth Proportional to 22,437.13, 30,961.83 and 13,479.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,437.13 : 30,961.83 = 13,479.34 : x
2. Step 2: Convert to fraction form
   22,437.13/30,961.83 = 13,479.34/x
3. Step 3: Cross multiply
   22,437.13x = 30,961.83 × 13,479.34
4. Step 4: Simplify right side
   22,437.13x = 417,345,033.59
5. Step 5: Solve for x
   x = 417,345,033.59/22,437.13
6. Step 6: Final answer
   x = 18,600.64