Finding the Fourth Proportional to 10,655.72, 14,704.42 and 7,118.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,655.72 : 14,704.42 = 7,118.44 : x
2. Step 2: Convert to fraction form
   10,655.72/14,704.42 = 7,118.44/x
3. Step 3: Cross multiply
   10,655.72x = 14,704.42 × 7,118.44
4. Step 4: Simplify right side
   10,655.72x = 104,672,531.50
5. Step 5: Solve for x
   x = 104,672,531.50/10,655.72
6. Step 6: Final answer
   x = 9,823.13