Finding the Fourth Proportional to 1,974.72, 2,944.52 and 1,889.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,974.72 : 2,944.52 = 1,889.06 : x
2. Step 2: Convert to fraction form
   1,974.72/2,944.52 = 1,889.06/x
3. Step 3: Cross multiply
   1,974.72x = 2,944.52 × 1,889.06
4. Step 4: Simplify right side
   1,974.72x = 5,562,374.95
5. Step 5: Solve for x
   x = 5,562,374.95/1,974.72
6. Step 6: Final answer
   x = 2,816.79