Finding the Fourth Proportional to 488,002.47, 673,443.25 and 273,142.48

Step by Step Solution

1. Step 1: Write the proportion equation
   488,002.47 : 673,443.25 = 273,142.48 : x
2. Step 2: Convert to fraction form
   488,002.47/673,443.25 = 273,142.48/x
3. Step 3: Cross multiply
   488,002.47x = 673,443.25 × 273,142.48
4. Step 4: Simplify right side
   488,002.47x = 183,945,957,077.80
5. Step 5: Solve for x
   x = 183,945,957,077.80/488,002.47
6. Step 6: Final answer
   x = 376,936.53