Finding the Fourth Proportional to 12,100.88, 16,690.92 and 10,111.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.88 : 16,690.92 = 10,111.52 : x
2. Step 2: Convert to fraction form
   12,100.88/16,690.92 = 10,111.52/x
3. Step 3: Cross multiply
   12,100.88x = 16,690.92 × 10,111.52
4. Step 4: Simplify right side
   12,100.88x = 168,770,571.40
5. Step 5: Solve for x
   x = 168,770,571.40/12,100.88
6. Step 6: Final answer
   x = 13,946.97