Finding the Fourth Proportional to 744,017.52, 1,026,755.88 and 404,487.12

Step by Step Solution

1. Step 1: Write the proportion equation
   744,017.52 : 1,026,755.88 = 404,487.12 : x
2. Step 2: Convert to fraction form
   744,017.52/1,026,755.88 = 404,487.12/x
3. Step 3: Cross multiply
   744,017.52x = 1,026,755.88 × 404,487.12
4. Step 4: Simplify right side
   744,017.52x = 415,309,528,844.27
5. Step 5: Solve for x
   x = 415,309,528,844.27/744,017.52
6. Step 6: Final answer
   x = 558,198.59