Finding the Fourth Proportional to 359,005.46, 495,433.31 and 197,858.18

Step by Step Solution

1. Step 1: Write the proportion equation
   359,005.46 : 495,433.31 = 197,858.18 : x
2. Step 2: Convert to fraction form
   359,005.46/495,433.31 = 197,858.18/x
3. Step 3: Cross multiply
   359,005.46x = 495,433.31 × 197,858.18
4. Step 4: Simplify right side
   359,005.46x = 98,025,529,561.52
5. Step 5: Solve for x
   x = 98,025,529,561.52/359,005.46
6. Step 6: Final answer
   x = 273,047.47