Finding the Fourth Proportional to 589,123.12, 882,860.94 and 318,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   589,123.12 : 882,860.94 = 318,667.42 : x
2. Step 2: Convert to fraction form
   589,123.12/882,860.94 = 318,667.42/x
3. Step 3: Cross multiply
   589,123.12x = 882,860.94 × 318,667.42
4. Step 4: Simplify right side
   589,123.12x = 281,339,015,761.42
5. Step 5: Solve for x
   x = 281,339,015,761.42/589,123.12
6. Step 6: Final answer
   x = 477,555.55