Finding the Fourth Proportional to 1,981.56, 2,730.78 and 1,932.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.56 : 2,730.78 = 1,932.96 : x
2. Step 2: Convert to fraction form
   1,981.56/2,730.78 = 1,932.96/x
3. Step 3: Cross multiply
   1,981.56x = 2,730.78 × 1,932.96
4. Step 4: Simplify right side
   1,981.56x = 5,278,488.51
5. Step 5: Solve for x
   x = 5,278,488.51/1,981.56
6. Step 6: Final answer
   x = 2,663.80