Finding the Fourth Proportional to 737,662.72, 1,018,071.56 and 415,435.81

Step by Step Solution

1. Step 1: Write the proportion equation
   737,662.72 : 1,018,071.56 = 415,435.81 : x
2. Step 2: Convert to fraction form
   737,662.72/1,018,071.56 = 415,435.81/x
3. Step 3: Cross multiply
   737,662.72x = 1,018,071.56 × 415,435.81
4. Step 4: Simplify right side
   737,662.72x = 422,943,375,999.03
5. Step 5: Solve for x
   x = 422,943,375,999.03/737,662.72
6. Step 6: Final answer
   x = 573,356.04