Finding the Fourth Proportional to 309,460.83, 464,225.94 and 277,675.47

Step by Step Solution

1. Step 1: Write the proportion equation
   309,460.83 : 464,225.94 = 277,675.47 : x
2. Step 2: Convert to fraction form
   309,460.83/464,225.94 = 277,675.47/x
3. Step 3: Cross multiply
   309,460.83x = 464,225.94 × 277,675.47
4. Step 4: Simplify right side
   309,460.83x = 128,904,156,075.69
5. Step 5: Solve for x
   x = 128,904,156,075.69/309,460.83
6. Step 6: Final answer
   x = 416,544.34