Finding the Fourth Proportional to 3,667.07, 5,060.49 and 1,988.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.07 : 5,060.49 = 1,988.42 : x
2. Step 2: Convert to fraction form
   3,667.07/5,060.49 = 1,988.42/x
3. Step 3: Cross multiply
   3,667.07x = 5,060.49 × 1,988.42
4. Step 4: Simplify right side
   3,667.07x = 10,062,379.53
5. Step 5: Solve for x
   x = 10,062,379.53/3,667.07
6. Step 6: Final answer
   x = 2,743.98