Finding the Fourth Proportional to 292,801.50, 404,066.07 and 158,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   292,801.50 : 404,066.07 = 158,665.50 : x
2. Step 2: Convert to fraction form
   292,801.50/404,066.07 = 158,665.50/x
3. Step 3: Cross multiply
   292,801.50x = 404,066.07 × 158,665.50
4. Step 4: Simplify right side
   292,801.50x = 64,111,345,029.59
5. Step 5: Solve for x
   x = 64,111,345,029.59/292,801.50
6. Step 6: Final answer
   x = 218,958.39