Finding the Fourth Proportional to 1,300,546.81, 1,795,368.27 and 978,379.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,546.81 : 1,795,368.27 = 978,379.84 : x
2. Step 2: Convert to fraction form
   1,300,546.81/1,795,368.27 = 978,379.84/x
3. Step 3: Cross multiply
   1,300,546.81x = 1,795,368.27 × 978,379.84
4. Step 4: Simplify right side
   1,300,546.81x = 1,756,552,120,743.68
5. Step 5: Solve for x
   x = 1,756,552,120,743.68/1,300,546.81
6. Step 6: Final answer
   x = 1,350,625.83