Finding the Fourth Proportional to 243,290.35, 335,667.32 and 141,296.15

Step by Step Solution

1. Step 1: Write the proportion equation
   243,290.35 : 335,667.32 = 141,296.15 : x
2. Step 2: Convert to fraction form
   243,290.35/335,667.32 = 141,296.15/x
3. Step 3: Cross multiply
   243,290.35x = 335,667.32 × 141,296.15
4. Step 4: Simplify right side
   243,290.35x = 47,428,499,996.82
5. Step 5: Solve for x
   x = 47,428,499,996.82/243,290.35
6. Step 6: Final answer
   x = 194,946.08