Finding the Fourth Proportional to 1,941.05, 2,678.78 and 1,154.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,941.05 : 2,678.78 = 1,154.99 : x
2. Step 2: Convert to fraction form
   1,941.05/2,678.78 = 1,154.99/x
3. Step 3: Cross multiply
   1,941.05x = 2,678.78 × 1,154.99
4. Step 4: Simplify right side
   1,941.05x = 3,093,958.34
5. Step 5: Solve for x
   x = 3,093,958.34/1,941.05
6. Step 6: Final answer
   x = 1,593.96