Finding the Fourth Proportional to 16,962.72, 23,381.58 and 13,371.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,962.72 : 23,381.58 = 13,371.84 : x
2. Step 2: Convert to fraction form
   16,962.72/23,381.58 = 13,371.84/x
3. Step 3: Cross multiply
   16,962.72x = 23,381.58 × 13,371.84
4. Step 4: Simplify right side
   16,962.72x = 312,654,746.71
5. Step 5: Solve for x
   x = 312,654,746.71/16,962.72
6. Step 6: Final answer
   x = 18,431.88