Finding the Fourth Proportional to 1,920.34, 2,649.73 and 1,134.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920.34 : 2,649.73 = 1,134.10 : x
2. Step 2: Convert to fraction form
   1,920.34/2,649.73 = 1,134.10/x
3. Step 3: Cross multiply
   1,920.34x = 2,649.73 × 1,134.10
4. Step 4: Simplify right side
   1,920.34x = 3,005,039.87
5. Step 5: Solve for x
   x = 3,005,039.87/1,920.34
6. Step 6: Final answer
   x = 1,564.85