Finding the Fourth Proportional to 1,978.95, 2,962.95 and 1,490.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.95 : 2,962.95 = 1,490.52 : x
2. Step 2: Convert to fraction form
   1,978.95/2,962.95 = 1,490.52/x
3. Step 3: Cross multiply
   1,978.95x = 2,962.95 × 1,490.52
4. Step 4: Simplify right side
   1,978.95x = 4,416,336.23
5. Step 5: Solve for x
   x = 4,416,336.23/1,978.95
6. Step 6: Final answer
   x = 2,231.66