Finding the Fourth Proportional to 436,047.72, 601,910.27 and 254,818.55

Step by Step Solution

1. Step 1: Write the proportion equation
   436,047.72 : 601,910.27 = 254,818.55 : x
2. Step 2: Convert to fraction form
   436,047.72/601,910.27 = 254,818.55/x
3. Step 3: Cross multiply
   436,047.72x = 601,910.27 × 254,818.55
4. Step 4: Simplify right side
   436,047.72x = 153,377,897,947.86
5. Step 5: Solve for x
   x = 153,377,897,947.86/436,047.72
6. Step 6: Final answer
   x = 351,745.68