Finding the Fourth Proportional to 292,812, 404,080.56 and 158,676

Step by Step Solution

1. Step 1: Write the proportion equation
   292,812 : 404,080.56 = 158,676 : x
2. Step 2: Convert to fraction form
   292,812/404,080.56 = 158,676/x
3. Step 3: Cross multiply
   292,812x = 404,080.56 × 158,676
4. Step 4: Simplify right side
   292,812x = 64,117,886,938.56
5. Step 5: Solve for x
   x = 64,117,886,938.56/292,812
6. Step 6: Final answer
   x = 218,972.88