Finding the Fourth Proportional to 359,065.17, 495,474.17 and 213,842.16

Step by Step Solution

1. Step 1: Write the proportion equation
   359,065.17 : 495,474.17 = 213,842.16 : x
2. Step 2: Convert to fraction form
   359,065.17/495,474.17 = 213,842.16/x
3. Step 3: Cross multiply
   359,065.17x = 495,474.17 × 213,842.16
4. Step 4: Simplify right side
   359,065.17x = 105,953,265,667.80
5. Step 5: Solve for x
   x = 105,953,265,667.80/359,065.17
6. Step 6: Final answer
   x = 295,080.88