Finding the Fourth Proportional to 404,953.63, 608,054.69 and 342,593.15

Step by Step Solution

1. Step 1: Write the proportion equation
   404,953.63 : 608,054.69 = 342,593.15 : x
2. Step 2: Convert to fraction form
   404,953.63/608,054.69 = 342,593.15/x
3. Step 3: Cross multiply
   404,953.63x = 608,054.69 × 342,593.15
4. Step 4: Simplify right side
   404,953.63x = 208,315,369,435.58
5. Step 5: Solve for x
   x = 208,315,369,435.58/404,953.63
6. Step 6: Final answer
   x = 514,417.84