Finding the Fourth Proportional to 12,637.35, 18,956.07 and 3,872.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,637.35 : 18,956.07 = 3,872.34 : x
2. Step 2: Convert to fraction form
   12,637.35/18,956.07 = 3,872.34/x
3. Step 3: Cross multiply
   12,637.35x = 18,956.07 × 3,872.34
4. Step 4: Simplify right side
   12,637.35x = 73,404,348.10
5. Step 5: Solve for x
   x = 73,404,348.10/12,637.35
6. Step 6: Final answer
   x = 5,808.52