Finding the Fourth Proportional to 367,072.05, 550,808.69 and 142,441.32

Step by Step Solution

1. Step 1: Write the proportion equation
   367,072.05 : 550,808.69 = 142,441.32 : x
2. Step 2: Convert to fraction form
   367,072.05/550,808.69 = 142,441.32/x
3. Step 3: Cross multiply
   367,072.05x = 550,808.69 × 142,441.32
4. Step 4: Simplify right side
   367,072.05x = 78,457,916,158.86
5. Step 5: Solve for x
   x = 78,457,916,158.86/367,072.05
6. Step 6: Final answer
   x = 213,739.83