Finding the Fourth Proportional to 292,759, 404,007.72 and 158,623

Step by Step Solution

1. Step 1: Write the proportion equation
   292,759 : 404,007.72 = 158,623 : x
2. Step 2: Convert to fraction form
   292,759/404,007.72 = 158,623/x
3. Step 3: Cross multiply
   292,759x = 404,007.72 × 158,623
4. Step 4: Simplify right side
   292,759x = 64,084,916,569.56
5. Step 5: Solve for x
   x = 64,084,916,569.56/292,759
6. Step 6: Final answer
   x = 218,899.90