Finding the Fourth Proportional to 14,118.72, 21,182.69 and 10,166.74

Step by Step Solution

1. Step 1: Write the proportion equation
   14,118.72 : 21,182.69 = 10,166.74 : x
2. Step 2: Convert to fraction form
   14,118.72/21,182.69 = 10,166.74/x
3. Step 3: Cross multiply
   14,118.72x = 21,182.69 × 10,166.74
4. Step 4: Simplify right side
   14,118.72x = 215,358,901.73
5. Step 5: Solve for x
   x = 215,358,901.73/14,118.72
6. Step 6: Final answer
   x = 15,253.43