Finding the Fourth Proportional to 292,806.72, 404,073.48 and 158,670.72

Step by Step Solution

1. Step 1: Write the proportion equation
   292,806.72 : 404,073.48 = 158,670.72 : x
2. Step 2: Convert to fraction form
   292,806.72/404,073.48 = 158,670.72/x
3. Step 3: Cross multiply
   292,806.72x = 404,073.48 × 158,670.72
4. Step 4: Simplify right side
   292,806.72x = 64,114,630,004.51
5. Step 5: Solve for x
   x = 64,114,630,004.51/292,806.72
6. Step 6: Final answer
   x = 218,965.71