Finding the Fourth Proportional to 605,524.50, 907,607.84 and 245,611.72

Step by Step Solution

1. Step 1: Write the proportion equation
   605,524.50 : 907,607.84 = 245,611.72 : x
2. Step 2: Convert to fraction form
   605,524.50/907,607.84 = 245,611.72/x
3. Step 3: Cross multiply
   605,524.50x = 907,607.84 × 245,611.72
4. Step 4: Simplify right side
   605,524.50x = 222,919,122,667.89
5. Step 5: Solve for x
   x = 222,919,122,667.89/605,524.50
6. Step 6: Final answer
   x = 368,142.20