Finding the Fourth Proportional to 22,867.92, 31,558.32 and 13,437

Step by Step Solution

1. Step 1: Write the proportion equation
   22,867.92 : 31,558.32 = 13,437 : x
2. Step 2: Convert to fraction form
   22,867.92/31,558.32 = 13,437/x
3. Step 3: Cross multiply
   22,867.92x = 31,558.32 × 13,437
4. Step 4: Simplify right side
   22,867.92x = 424,049,145.84
5. Step 5: Solve for x
   x = 424,049,145.84/22,867.92
6. Step 6: Final answer
   x = 18,543.41