Finding the Fourth Proportional to 702,662.72, 1,054,023.28 and 204,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   702,662.72 : 1,054,023.28 = 204,026.72 : x
2. Step 2: Convert to fraction form
   702,662.72/1,054,023.28 = 204,026.72/x
3. Step 3: Cross multiply
   702,662.72x = 1,054,023.28 × 204,026.72
4. Step 4: Simplify right side
   702,662.72x = 215,048,912,622.04
5. Step 5: Solve for x
   x = 215,048,912,622.04/702,662.72
6. Step 6: Final answer
   x = 306,048.56