Finding the Fourth Proportional to 367,561.16, 551,082.52 and 142,734.32

Step by Step Solution

1. Step 1: Write the proportion equation
   367,561.16 : 551,082.52 = 142,734.32 : x
2. Step 2: Convert to fraction form
   367,561.16/551,082.52 = 142,734.32/x
3. Step 3: Cross multiply
   367,561.16x = 551,082.52 × 142,734.32
4. Step 4: Simplify right side
   367,561.16x = 78,658,388,756.09
5. Step 5: Solve for x
   x = 78,658,388,756.09/367,561.16
6. Step 6: Final answer
   x = 214,000.82