Finding the Fourth Proportional to 293,064, 404,428.56 and 158,928

Step by Step Solution

1. Step 1: Write the proportion equation
   293,064 : 404,428.56 = 158,928 : x
2. Step 2: Convert to fraction form
   293,064/404,428.56 = 158,928/x
3. Step 3: Cross multiply
   293,064x = 404,428.56 × 158,928
4. Step 4: Simplify right side
   293,064x = 64,275,022,183.68
5. Step 5: Solve for x
   x = 64,275,022,183.68/293,064
6. Step 6: Final answer
   x = 219,320.77