Finding the Fourth Proportional to 367,892.72, 507,737.04 and 206,754.56

Step by Step Solution

1. Step 1: Write the proportion equation
   367,892.72 : 507,737.04 = 206,754.56 : x
2. Step 2: Convert to fraction form
   367,892.72/507,737.04 = 206,754.56/x
3. Step 3: Cross multiply
   367,892.72x = 507,737.04 × 206,754.56
4. Step 4: Simplify right side
   367,892.72x = 104,976,948,300.90
5. Step 5: Solve for x
   x = 104,976,948,300.90/367,892.72
6. Step 6: Final answer
   x = 285,346.63