Finding the Fourth Proportional to 369,709.47, 510,075 and 301,608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   369,709.47 : 510,075 = 301,608.72 : x
2. Step 2: Convert to fraction form
   369,709.47/510,075 = 301,608.72/x
3. Step 3: Cross multiply
   369,709.47x = 510,075 × 301,608.72
4. Step 4: Simplify right side
   369,709.47x = 153,843,067,854
5. Step 5: Solve for x
   x = 153,843,067,854/369,709.47
6. Step 6: Final answer
   x = 416,118.82