Finding the Fourth Proportional to 401,057.98, 601,564.82 and 134,791.00

Step by Step Solution

1. Step 1: Write the proportion equation
   401,057.98 : 601,564.82 = 134,791.00 : x
2. Step 2: Convert to fraction form
   401,057.98/601,564.82 = 134,791.00/x
3. Step 3: Cross multiply
   401,057.98x = 601,564.82 × 134,791.00
4. Step 4: Simplify right side
   401,057.98x = 81,085,520,644.80
5. Step 5: Solve for x
   x = 81,085,520,644.80/401,057.98
6. Step 6: Final answer
   x = 202,179.05