Finding the Fourth Proportional to 443,123.58, 611,507.40 and 241,919.58

Step by Step Solution

1. Step 1: Write the proportion equation
   443,123.58 : 611,507.40 = 241,919.58 : x
2. Step 2: Convert to fraction form
   443,123.58/611,507.40 = 241,919.58/x
3. Step 3: Cross multiply
   443,123.58x = 611,507.40 × 241,919.58
4. Step 4: Simplify right side
   443,123.58x = 147,935,613,374.89
5. Step 5: Solve for x
   x = 147,935,613,374.89/443,123.58
6. Step 6: Final answer
   x = 333,847.31