Finding the Fourth Proportional to 16,902.10, 23,332.71 and 12,060.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,902.10 : 23,332.71 = 12,060.55 : x
2. Step 2: Convert to fraction form
   16,902.10/23,332.71 = 12,060.55/x
3. Step 3: Cross multiply
   16,902.10x = 23,332.71 × 12,060.55
4. Step 4: Simplify right side
   16,902.10x = 281,405,315.59
5. Step 5: Solve for x
   x = 281,405,315.59/16,902.10
6. Step 6: Final answer
   x = 16,649.13