Finding the Fourth Proportional to 1,978.02, 2,964.78 and 1,002.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.02 : 2,964.78 = 1,002.06 : x
2. Step 2: Convert to fraction form
   1,978.02/2,964.78 = 1,002.06/x
3. Step 3: Cross multiply
   1,978.02x = 2,964.78 × 1,002.06
4. Step 4: Simplify right side
   1,978.02x = 2,970,887.45
5. Step 5: Solve for x
   x = 2,970,887.45/1,978.02
6. Step 6: Final answer
   x = 1,501.95