Finding the Fourth Proportional to 1,938.06, 2,674.52 and 1,053.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.06 : 2,674.52 = 1,053.86 : x
2. Step 2: Convert to fraction form
   1,938.06/2,674.52 = 1,053.86/x
3. Step 3: Cross multiply
   1,938.06x = 2,674.52 × 1,053.86
4. Step 4: Simplify right side
   1,938.06x = 2,818,554.96
5. Step 5: Solve for x
   x = 2,818,554.96/1,938.06
6. Step 6: Final answer
   x = 1,454.32