Finding the Fourth Proportional to 1,938.86, 2,674.68 and 1,152.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.86 : 2,674.68 = 1,152.35 : x
2. Step 2: Convert to fraction form
   1,938.86/2,674.68 = 1,152.35/x
3. Step 3: Cross multiply
   1,938.86x = 2,674.68 × 1,152.35
4. Step 4: Simplify right side
   1,938.86x = 3,082,167.50
5. Step 5: Solve for x
   x = 3,082,167.50/1,938.86
6. Step 6: Final answer
   x = 1,589.68