Finding the Fourth Proportional to 552,928.61, 762,648.42 and 369,074.48

Step by Step Solution

1. Step 1: Write the proportion equation
   552,928.61 : 762,648.42 = 369,074.48 : x
2. Step 2: Convert to fraction form
   552,928.61/762,648.42 = 369,074.48/x
3. Step 3: Cross multiply
   552,928.61x = 762,648.42 × 369,074.48
4. Step 4: Simplify right side
   552,928.61x = 281,474,066,077.78
5. Step 5: Solve for x
   x = 281,474,066,077.78/552,928.61
6. Step 6: Final answer
   x = 509,060.42