Finding the Fourth Proportional to 1,978.37, 2,962.07 and 1,002.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.37 : 2,962.07 = 1,002.43 : x
2. Step 2: Convert to fraction form
   1,978.37/2,962.07 = 1,002.43/x
3. Step 3: Cross multiply
   1,978.37x = 2,962.07 × 1,002.43
4. Step 4: Simplify right side
   1,978.37x = 2,969,248.01
5. Step 5: Solve for x
   x = 2,969,248.01/1,978.37
6. Step 6: Final answer
   x = 1,500.86