Finding the Fourth Proportional to 434,667.39, 599,840.60 and 243,680.82

Step by Step Solution

1. Step 1: Write the proportion equation
   434,667.39 : 599,840.60 = 243,680.82 : x
2. Step 2: Convert to fraction form
   434,667.39/599,840.60 = 243,680.82/x
3. Step 3: Cross multiply
   434,667.39x = 599,840.60 × 243,680.82
4. Step 4: Simplify right side
   434,667.39x = 146,169,648,058.89
5. Step 5: Solve for x
   x = 146,169,648,058.89/434,667.39
6. Step 6: Final answer
   x = 336,279.31