Finding the Fourth Proportional to 158,851.43, 238,277.24 and 99,728.63

Step by Step Solution

1. Step 1: Write the proportion equation
   158,851.43 : 238,277.24 = 99,728.63 : x
2. Step 2: Convert to fraction form
   158,851.43/238,277.24 = 99,728.63/x
3. Step 3: Cross multiply
   158,851.43x = 238,277.24 × 99,728.63
4. Step 4: Simplify right side
   158,851.43x = 23,763,061,015.35
5. Step 5: Solve for x
   x = 23,763,061,015.35/158,851.43
6. Step 6: Final answer
   x = 149,592.99