Finding the Fourth Proportional to 10,672.10, 14,707.58 and 7,682.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,672.10 : 14,707.58 = 7,682.75 : x
2. Step 2: Convert to fraction form
   10,672.10/14,707.58 = 7,682.75/x
3. Step 3: Cross multiply
   10,672.10x = 14,707.58 × 7,682.75
4. Step 4: Simplify right side
   10,672.10x = 112,994,603.45
5. Step 5: Solve for x
   x = 112,994,603.45/10,672.10
6. Step 6: Final answer
   x = 10,587.85