Finding the Fourth Proportional to 292,810.72, 404,079 and 158,674.72

Step by Step Solution

1. Step 1: Write the proportion equation
   292,810.72 : 404,079 = 158,674.72 : x
2. Step 2: Convert to fraction form
   292,810.72/404,079 = 158,674.72/x
3. Step 3: Cross multiply
   292,810.72x = 404,079 × 158,674.72
4. Step 4: Simplify right side
   292,810.72x = 64,117,122,182.88
5. Step 5: Solve for x
   x = 64,117,122,182.88/292,810.72
6. Step 6: Final answer
   x = 218,971.23