Finding the Fourth Proportional to 22,690.08, 31,307.82 and 13,738.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,690.08 : 31,307.82 = 13,738.41 : x
2. Step 2: Convert to fraction form
   22,690.08/31,307.82 = 13,738.41/x
3. Step 3: Cross multiply
   22,690.08x = 31,307.82 × 13,738.41
4. Step 4: Simplify right side
   22,690.08x = 430,119,667.37
5. Step 5: Solve for x
   x = 430,119,667.37/22,690.08
6. Step 6: Final answer
   x = 18,956.29