Finding the Fourth Proportional to 744,003.28, 1,026,731.82 and 404,478.82

Step by Step Solution

1. Step 1: Write the proportion equation
   744,003.28 : 1,026,731.82 = 404,478.82 : x
2. Step 2: Convert to fraction form
   744,003.28/1,026,731.82 = 404,478.82/x
3. Step 3: Cross multiply
   744,003.28x = 1,026,731.82 × 404,478.82
4. Step 4: Simplify right side
   744,003.28x = 415,291,276,293.47
5. Step 5: Solve for x
   x = 415,291,276,293.47/744,003.28
6. Step 6: Final answer
   x = 558,184.74