Finding the Fourth Proportional to 1,938.53, 2,675.18 and 1,054.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.53 : 2,675.18 = 1,054.34 : x
2. Step 2: Convert to fraction form
   1,938.53/2,675.18 = 1,054.34/x
3. Step 3: Cross multiply
   1,938.53x = 2,675.18 × 1,054.34
4. Step 4: Simplify right side
   1,938.53x = 2,820,549.28
5. Step 5: Solve for x
   x = 2,820,549.28/1,938.53
6. Step 6: Final answer
   x = 1,454.99