Finding the Fourth Proportional to 1,557,346.32, 2,336,004.72 and 492,388.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,346.32 : 2,336,004.72 = 492,388.56 : x
2. Step 2: Convert to fraction form
   1,557,346.32/2,336,004.72 = 492,388.56/x
3. Step 3: Cross multiply
   1,557,346.32x = 2,336,004.72 × 492,388.56
4. Step 4: Simplify right side
   1,557,346.32x = 1,150,222,000,234.00
5. Step 5: Solve for x
   x = 1,150,222,000,234.00/1,557,346.32
6. Step 6: Final answer
   x = 738,578.17