Finding the Fourth Proportional to 19,849.54, 29,758.72 and 13,590.62

Step by Step Solution

1. Step 1: Write the proportion equation
   19,849.54 : 29,758.72 = 13,590.62 : x
2. Step 2: Convert to fraction form
   19,849.54/29,758.72 = 13,590.62/x
3. Step 3: Cross multiply
   19,849.54x = 29,758.72 × 13,590.62
4. Step 4: Simplify right side
   19,849.54x = 404,439,455.21
5. Step 5: Solve for x
   x = 404,439,455.21/19,849.54
6. Step 6: Final answer
   x = 20,375.26