Finding the Fourth Proportional to 358,846.07, 495,104.83 and 213,530.42

Step by Step Solution

1. Step 1: Write the proportion equation
   358,846.07 : 495,104.83 = 213,530.42 : x
2. Step 2: Convert to fraction form
   358,846.07/495,104.83 = 213,530.42/x
3. Step 3: Cross multiply
   358,846.07x = 495,104.83 × 213,530.42
4. Step 4: Simplify right side
   358,846.07x = 105,719,941,141.22
5. Step 5: Solve for x
   x = 105,719,941,141.22/358,846.07
6. Step 6: Final answer
   x = 294,610.84