Finding the Fourth Proportional to 22,838.02, 31,516.23 and 13,404.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,838.02 : 31,516.23 = 13,404.76 : x
2. Step 2: Convert to fraction form
   22,838.02/31,516.23 = 13,404.76/x
3. Step 3: Cross multiply
   22,838.02x = 31,516.23 × 13,404.76
4. Step 4: Simplify right side
   22,838.02x = 422,467,499.25
5. Step 5: Solve for x
   x = 422,467,499.25/22,838.02
6. Step 6: Final answer
   x = 18,498.43