Finding the Fourth Proportional to 10,688.51, 14,671.28 and 9,466.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688.51 : 14,671.28 = 9,466.82 : x
2. Step 2: Convert to fraction form
   10,688.51/14,671.28 = 9,466.82/x
3. Step 3: Cross multiply
   10,688.51x = 14,671.28 × 9,466.82
4. Step 4: Simplify right side
   10,688.51x = 138,890,401.53
5. Step 5: Solve for x
   x = 138,890,401.53/10,688.51
6. Step 6: Final answer
   x = 12,994.37