Finding the Fourth Proportional to 33,779.61, 46,613.39 and 18,671.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,779.61 : 46,613.39 = 18,671.42 : x
2. Step 2: Convert to fraction form
   33,779.61/46,613.39 = 18,671.42/x
3. Step 3: Cross multiply
   33,779.61x = 46,613.39 × 18,671.42
4. Step 4: Simplify right side
   33,779.61x = 870,337,855.89
5. Step 5: Solve for x
   x = 870,337,855.89/33,779.61
6. Step 6: Final answer
   x = 25,765.18