Finding the Fourth Proportional to 3,019.12, 4,527.62 and 938.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,019.12 : 4,527.62 = 938.86 : x
2. Step 2: Convert to fraction form
   3,019.12/4,527.62 = 938.86/x
3. Step 3: Cross multiply
   3,019.12x = 4,527.62 × 938.86
4. Step 4: Simplify right side
   3,019.12x = 4,250,801.31
5. Step 5: Solve for x
   x = 4,250,801.31/3,019.12
6. Step 6: Final answer
   x = 1,407.96