Finding the Fourth Proportional to 428,274.53, 591,042.78 and 244,567.34

Step by Step Solution

1. Step 1: Write the proportion equation
   428,274.53 : 591,042.78 = 244,567.34 : x
2. Step 2: Convert to fraction form
   428,274.53/591,042.78 = 244,567.34/x
3. Step 3: Cross multiply
   428,274.53x = 591,042.78 × 244,567.34
4. Step 4: Simplify right side
   428,274.53x = 144,549,757,575.59
5. Step 5: Solve for x
   x = 144,549,757,575.59/428,274.53
6. Step 6: Final answer
   x = 337,516.59