Finding the Fourth Proportional to 1,978,584.84, 2,968,092.45 and 630,430.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,584.84 : 2,968,092.45 = 630,430.56 : x
2. Step 2: Convert to fraction form
   1,978,584.84/2,968,092.45 = 630,430.56/x
3. Step 3: Cross multiply
   1,978,584.84x = 2,968,092.45 × 630,430.56
4. Step 4: Simplify right side
   1,978,584.84x = 1,871,176,185,385.27
5. Step 5: Solve for x
   x = 1,871,176,185,385.27/1,978,584.84
6. Step 6: Final answer
   x = 945,714.41