Finding the Fourth Proportional to 404,952.61, 608,053.17 and 342,592.15

Step by Step Solution

1. Step 1: Write the proportion equation
   404,952.61 : 608,053.17 = 342,592.15 : x
2. Step 2: Convert to fraction form
   404,952.61/608,053.17 = 342,592.15/x
3. Step 3: Cross multiply
   404,952.61x = 608,053.17 × 342,592.15
4. Step 4: Simplify right side
   404,952.61x = 208,314,242,824.62
5. Step 5: Solve for x
   x = 208,314,242,824.62/404,952.61
6. Step 6: Final answer
   x = 514,416.35