Finding the Fourth Proportional to 12,693.82, 17,506.61 and 7,656.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,693.82 : 17,506.61 = 7,656.96 : x
2. Step 2: Convert to fraction form
   12,693.82/17,506.61 = 7,656.96/x
3. Step 3: Cross multiply
   12,693.82x = 17,506.61 × 7,656.96
4. Step 4: Simplify right side
   12,693.82x = 134,047,374.22
5. Step 5: Solve for x
   x = 134,047,374.22/12,693.82
6. Step 6: Final answer
   x = 10,560.05