Finding the Fourth Proportional to 443,296.53, 664,641.06 and 158,980.98

Step by Step Solution

1. Step 1: Write the proportion equation
   443,296.53 : 664,641.06 = 158,980.98 : x
2. Step 2: Convert to fraction form
   443,296.53/664,641.06 = 158,980.98/x
3. Step 3: Cross multiply
   443,296.53x = 664,641.06 × 158,980.98
4. Step 4: Simplify right side
   443,296.53x = 105,665,287,067.04
5. Step 5: Solve for x
   x = 105,665,287,067.04/443,296.53
6. Step 6: Final answer
   x = 238,362.54