Finding the Fourth Proportional to 158,864.83, 238,181.85 and 74,581.63

Step by Step Solution

1. Step 1: Write the proportion equation
   158,864.83 : 238,181.85 = 74,581.63 : x
2. Step 2: Convert to fraction form
   158,864.83/238,181.85 = 74,581.63/x
3. Step 3: Cross multiply
   158,864.83x = 238,181.85 × 74,581.63
4. Step 4: Simplify right side
   158,864.83x = 17,763,990,013.96
5. Step 5: Solve for x
   x = 17,763,990,013.96/158,864.83
6. Step 6: Final answer
   x = 111,818.27