Finding the Fourth Proportional to 1,157,390.82, 1,597,155.30 and 648,067.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,390.82 : 1,597,155.30 = 648,067.68 : x
2. Step 2: Convert to fraction form
   1,157,390.82/1,597,155.30 = 648,067.68/x
3. Step 3: Cross multiply
   1,157,390.82x = 1,597,155.30 × 648,067.68
4. Step 4: Simplify right side
   1,157,390.82x = 1,035,064,729,870.70
5. Step 5: Solve for x
   x = 1,035,064,729,870.70/1,157,390.82
6. Step 6: Final answer
   x = 894,308.74