Finding the Fourth Proportional to 10,638.72, 14,682.72 and 6,103.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,638.72 : 14,682.72 = 6,103.06 : x
2. Step 2: Convert to fraction form
   10,638.72/14,682.72 = 6,103.06/x
3. Step 3: Cross multiply
   10,638.72x = 14,682.72 × 6,103.06
4. Step 4: Simplify right side
   10,638.72x = 89,609,521.12
5. Step 5: Solve for x
   x = 89,609,521.12/10,638.72
6. Step 6: Final answer
   x = 8,422.96