Finding the Fourth Proportional to 488,518.89, 674,155.06 and 270,741.48

Step by Step Solution

1. Step 1: Write the proportion equation
   488,518.89 : 674,155.06 = 270,741.48 : x
2. Step 2: Convert to fraction form
   488,518.89/674,155.06 = 270,741.48/x
3. Step 3: Cross multiply
   488,518.89x = 674,155.06 × 270,741.48
4. Step 4: Simplify right side
   488,518.89x = 182,521,738,693.89
5. Step 5: Solve for x
   x = 182,521,738,693.89/488,518.89
6. Step 6: Final answer
   x = 373,622.68