Finding the Fourth Proportional to 33,730.82, 50,590.54 and 12,379.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,730.82 : 50,590.54 = 12,379.12 : x
2. Step 2: Convert to fraction form
   33,730.82/50,590.54 = 12,379.12/x
3. Step 3: Cross multiply
   33,730.82x = 50,590.54 × 12,379.12
4. Step 4: Simplify right side
   33,730.82x = 626,266,254.52
5. Step 5: Solve for x
   x = 626,266,254.52/33,730.82
6. Step 6: Final answer
   x = 18,566.59