Finding the Fourth Proportional to 490,314.42, 676,618.25 and 272,522.03

Step by Step Solution

1. Step 1: Write the proportion equation
   490,314.42 : 676,618.25 = 272,522.03 : x
2. Step 2: Convert to fraction form
   490,314.42/676,618.25 = 272,522.03/x
3. Step 3: Cross multiply
   490,314.42x = 676,618.25 × 272,522.03
4. Step 4: Simplify right side
   490,314.42x = 184,393,374,279.35
5. Step 5: Solve for x
   x = 184,393,374,279.35/490,314.42
6. Step 6: Final answer
   x = 376,071.69