Finding the Fourth Proportional to 17,486.89, 24,141.69 and 13,390.93

Step by Step Solution

1. Step 1: Write the proportion equation
   17,486.89 : 24,141.69 = 13,390.93 : x
2. Step 2: Convert to fraction form
   17,486.89/24,141.69 = 13,390.93/x
3. Step 3: Cross multiply
   17,486.89x = 24,141.69 × 13,390.93
4. Step 4: Simplify right side
   17,486.89x = 323,279,680.87
5. Step 5: Solve for x
   x = 323,279,680.87/17,486.89
6. Step 6: Final answer
   x = 18,486.97