Finding the Fourth Proportional to 210,404.83, 290,360.51 and 119,766.63

Step by Step Solution

1. Step 1: Write the proportion equation
   210,404.83 : 290,360.51 = 119,766.63 : x
2. Step 2: Convert to fraction form
   210,404.83/290,360.51 = 119,766.63/x
3. Step 3: Cross multiply
   210,404.83x = 290,360.51 × 119,766.63
4. Step 4: Simplify right side
   210,404.83x = 34,775,499,747.33
5. Step 5: Solve for x
   x = 34,775,499,747.33/210,404.83
6. Step 6: Final answer
   x = 165,279.00