Finding the Fourth Proportional to 443,297.53, 664,642.56 and 158,981.98

Step by Step Solution

1. Step 1: Write the proportion equation
   443,297.53 : 664,642.56 = 158,981.98 : x
2. Step 2: Convert to fraction form
   443,297.53/664,642.56 = 158,981.98/x
3. Step 3: Cross multiply
   443,297.53x = 664,642.56 × 158,981.98
4. Step 4: Simplify right side
   443,297.53x = 105,666,190,181.07
5. Step 5: Solve for x
   x = 105,666,190,181.07/443,297.53
6. Step 6: Final answer
   x = 238,364.04