Finding the Fourth Proportional to 16,941.89, 23,402.10 and 13,011.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,941.89 : 23,402.10 = 13,011.57 : x
2. Step 2: Convert to fraction form
   16,941.89/23,402.10 = 13,011.57/x
3. Step 3: Cross multiply
   16,941.89x = 23,402.10 × 13,011.57
4. Step 4: Simplify right side
   16,941.89x = 304,498,062.30
5. Step 5: Solve for x
   x = 304,498,062.30/16,941.89
6. Step 6: Final answer
   x = 17,973.09