Finding the Fourth Proportional to 3,978.02, 5,967.30 and 2,029.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.02 : 5,967.30 = 2,029.70 : x
2. Step 2: Convert to fraction form
   3,978.02/5,967.30 = 2,029.70/x
3. Step 3: Cross multiply
   3,978.02x = 5,967.30 × 2,029.70
4. Step 4: Simplify right side
   3,978.02x = 12,111,828.81
5. Step 5: Solve for x
   x = 12,111,828.81/3,978.02
6. Step 6: Final answer
   x = 3,044.69