Finding the Fourth Proportional to 359,083.61, 495,510.61 and 201,943.03

Step by Step Solution

1. Step 1: Write the proportion equation
   359,083.61 : 495,510.61 = 201,943.03 : x
2. Step 2: Convert to fraction form
   359,083.61/495,510.61 = 201,943.03/x
3. Step 3: Cross multiply
   359,083.61x = 495,510.61 × 201,943.03
4. Step 4: Simplify right side
   359,083.61x = 100,064,912,994.20
5. Step 5: Solve for x
   x = 100,064,912,994.20/359,083.61
6. Step 6: Final answer
   x = 278,667.45