Finding the Fourth Proportional to 901,227.92, 1,243,692.72 and 493,329.88

Step by Step Solution

1. Step 1: Write the proportion equation
   901,227.92 : 1,243,692.72 = 493,329.88 : x
2. Step 2: Convert to fraction form
   901,227.92/1,243,692.72 = 493,329.88/x
3. Step 3: Cross multiply
   901,227.92x = 1,243,692.72 × 493,329.88
4. Step 4: Simplify right side
   901,227.92x = 613,550,774,096.01
5. Step 5: Solve for x
   x = 613,550,774,096.01/901,227.92
6. Step 6: Final answer
   x = 680,794.24