Finding the Fourth Proportional to 1,978,239.60, 2,967,327.18 and 630,384.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,239.60 : 2,967,327.18 = 630,384.03 : x
2. Step 2: Convert to fraction form
   1,978,239.60/2,967,327.18 = 630,384.03/x
3. Step 3: Cross multiply
   1,978,239.60x = 2,967,327.18 × 630,384.03
4. Step 4: Simplify right side
   1,978,239.60x = 1,870,555,666,056.94
5. Step 5: Solve for x
   x = 1,870,555,666,056.94/1,978,239.60
6. Step 6: Final answer
   x = 945,565.78