Finding the Fourth Proportional to 2,054.78, 3,062.64 and 1,938.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.78 : 3,062.64 = 1,938.03 : x
2. Step 2: Convert to fraction form
   2,054.78/3,062.64 = 1,938.03/x
3. Step 3: Cross multiply
   2,054.78x = 3,062.64 × 1,938.03
4. Step 4: Simplify right side
   2,054.78x = 5,935,483.98
5. Step 5: Solve for x
   x = 5,935,483.98/2,054.78
6. Step 6: Final answer
   x = 2,888.62