Finding the Fourth Proportional to 978,439.61, 1,467,797.83 and 304,588.91

Step by Step Solution

1. Step 1: Write the proportion equation
   978,439.61 : 1,467,797.83 = 304,588.91 : x
2. Step 2: Convert to fraction form
   978,439.61/1,467,797.83 = 304,588.91/x
3. Step 3: Cross multiply
   978,439.61x = 1,467,797.83 × 304,588.91
4. Step 4: Simplify right side
   978,439.61x = 447,074,944,048.09
5. Step 5: Solve for x
   x = 447,074,944,048.09/978,439.61
6. Step 6: Final answer
   x = 456,926.46