Finding the Fourth Proportional to 861,733.32, 1,293,190.56 and 300,767.82

Step by Step Solution

1. Step 1: Write the proportion equation
   861,733.32 : 1,293,190.56 = 300,767.82 : x
2. Step 2: Convert to fraction form
   861,733.32/1,293,190.56 = 300,767.82/x
3. Step 3: Cross multiply
   861,733.32x = 1,293,190.56 × 300,767.82
4. Step 4: Simplify right side
   861,733.32x = 388,950,105,575.78
5. Step 5: Solve for x
   x = 388,950,105,575.78/861,733.32
6. Step 6: Final answer
   x = 451,357.86