Finding the Fourth Proportional to 802,242.72, 1,107,144.72 and 444,546.72

Step by Step Solution

1. Step 1: Write the proportion equation
   802,242.72 : 1,107,144.72 = 444,546.72 : x
2. Step 2: Convert to fraction form
   802,242.72/1,107,144.72 = 444,546.72/x
3. Step 3: Cross multiply
   802,242.72x = 1,107,144.72 × 444,546.72
4. Step 4: Simplify right side
   802,242.72x = 492,177,553,841.32
5. Step 5: Solve for x
   x = 492,177,553,841.32/802,242.72
6. Step 6: Final answer
   x = 613,502.05