Finding the Fourth Proportional to 243,796.83, 336,439.62 and 158,913.89

Step by Step Solution

1. Step 1: Write the proportion equation
   243,796.83 : 336,439.62 = 158,913.89 : x
2. Step 2: Convert to fraction form
   243,796.83/336,439.62 = 158,913.89/x
3. Step 3: Cross multiply
   243,796.83x = 336,439.62 × 158,913.89
4. Step 4: Simplify right side
   243,796.83x = 53,464,929,605.42
5. Step 5: Solve for x
   x = 53,464,929,605.42/243,796.83
6. Step 6: Final answer
   x = 219,301.17