Finding the Fourth Proportional to 359,300.18, 495,975.95 and 216,032.54

Step by Step Solution

1. Step 1: Write the proportion equation
   359,300.18 : 495,975.95 = 216,032.54 : x
2. Step 2: Convert to fraction form
   359,300.18/495,975.95 = 216,032.54/x
3. Step 3: Cross multiply
   359,300.18x = 495,975.95 × 216,032.54
4. Step 4: Simplify right side
   359,300.18x = 107,146,940,697.37
5. Step 5: Solve for x
   x = 107,146,940,697.37/359,300.18
6. Step 6: Final answer
   x = 298,210.10