Finding the Fourth Proportional to 158,889.29, 238,333.59 and 99,766.49

Step by Step Solution

1. Step 1: Write the proportion equation
   158,889.29 : 238,333.59 = 99,766.49 : x
2. Step 2: Convert to fraction form
   158,889.29/238,333.59 = 99,766.49/x
3. Step 3: Cross multiply
   158,889.29x = 238,333.59 × 99,766.49
4. Step 4: Simplify right side
   158,889.29x = 23,777,704,531.73
5. Step 5: Solve for x
   x = 23,777,704,531.73/158,889.29
6. Step 6: Final answer
   x = 149,649.52