Finding the Fourth Proportional to 2,978.01, 4,108.97 and 1,983.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.01 : 4,108.97 = 1,983.83 : x
2. Step 2: Convert to fraction form
   2,978.01/4,108.97 = 1,983.83/x
3. Step 3: Cross multiply
   2,978.01x = 4,108.97 × 1,983.83
4. Step 4: Simplify right side
   2,978.01x = 8,151,482.37
5. Step 5: Solve for x
   x = 8,151,482.37/2,978.01
6. Step 6: Final answer
   x = 2,737.22