Finding the Fourth Proportional to 656,846.72, 906,458.56 and 384,849.52

Step by Step Solution

1. Step 1: Write the proportion equation
   656,846.72 : 906,458.56 = 384,849.52 : x
2. Step 2: Convert to fraction form
   656,846.72/906,458.56 = 384,849.52/x
3. Step 3: Cross multiply
   656,846.72x = 906,458.56 × 384,849.52
4. Step 4: Simplify right side
   656,846.72x = 348,850,141,715.89
5. Step 5: Solve for x
   x = 348,850,141,715.89/656,846.72
6. Step 6: Final answer
   x = 531,098.25