Finding the Fourth Proportional to 1,938.10, 2,674.56 and 1,053.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.10 : 2,674.56 = 1,053.88 : x
2. Step 2: Convert to fraction form
   1,938.10/2,674.56 = 1,053.88/x
3. Step 3: Cross multiply
   1,938.10x = 2,674.56 × 1,053.88
4. Step 4: Simplify right side
   1,938.10x = 2,818,665.29
5. Step 5: Solve for x
   x = 2,818,665.29/1,938.10
6. Step 6: Final answer
   x = 1,454.34