Finding the Fourth Proportional to 1,978,185.34, 2,967,245.55 and 630,329.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,185.34 : 2,967,245.55 = 630,329.70 : x
2. Step 2: Convert to fraction form
   1,978,185.34/2,967,245.55 = 630,329.70/x
3. Step 3: Cross multiply
   1,978,185.34x = 2,967,245.55 × 630,329.70
4. Step 4: Simplify right side
   1,978,185.34x = 1,870,342,997,357.83
5. Step 5: Solve for x
   x = 1,870,342,997,357.83/1,978,185.34
6. Step 6: Final answer
   x = 945,484.21