Finding the Fourth Proportional to 11,983.98, 17,870.37 and 11,152.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,983.98 : 17,870.37 = 11,152.92 : x
2. Step 2: Convert to fraction form
   11,983.98/17,870.37 = 11,152.92/x
3. Step 3: Cross multiply
   11,983.98x = 17,870.37 × 11,152.92
4. Step 4: Simplify right side
   11,983.98x = 199,306,806.98
5. Step 5: Solve for x
   x = 199,306,806.98/11,983.98
6. Step 6: Final answer
   x = 16,631.10