Finding the Fourth Proportional to 423,144, 583,938.72 and 244,296

Step by Step Solution

1. Step 1: Write the proportion equation
   423,144 : 583,938.72 = 244,296 : x
2. Step 2: Convert to fraction form
   423,144/583,938.72 = 244,296/x
3. Step 3: Cross multiply
   423,144x = 583,938.72 × 244,296
4. Step 4: Simplify right side
   423,144x = 142,653,893,541.12
5. Step 5: Solve for x
   x = 142,653,893,541.12/423,144
6. Step 6: Final answer
   x = 337,128.48