Finding the Fourth Proportional to 587,443.38, 881,149.59 and 166,719.30

Step by Step Solution

1. Step 1: Write the proportion equation
   587,443.38 : 881,149.59 = 166,719.30 : x
2. Step 2: Convert to fraction form
   587,443.38/881,149.59 = 166,719.30/x
3. Step 3: Cross multiply
   587,443.38x = 881,149.59 × 166,719.30
4. Step 4: Simplify right side
   587,443.38x = 146,904,642,840.09
5. Step 5: Solve for x
   x = 146,904,642,840.09/587,443.38
6. Step 6: Final answer
   x = 250,074.56