Finding the Fourth Proportional to 12,406.85, 17,115.04 and 7,682.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,406.85 : 17,115.04 = 7,682.93 : x
2. Step 2: Convert to fraction form
   12,406.85/17,115.04 = 7,682.93/x
3. Step 3: Cross multiply
   12,406.85x = 17,115.04 × 7,682.93
4. Step 4: Simplify right side
   12,406.85x = 131,493,677.85
5. Step 5: Solve for x
   x = 131,493,677.85/12,406.85
6. Step 6: Final answer
   x = 10,598.47