Finding the Fourth Proportional to 3,667.11, 5,060.62 and 1,988.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.11 : 5,060.62 = 1,988.54 : x
2. Step 2: Convert to fraction form
   3,667.11/5,060.62 = 1,988.54/x
3. Step 3: Cross multiply
   3,667.11x = 5,060.62 × 1,988.54
4. Step 4: Simplify right side
   3,667.11x = 10,063,245.29
5. Step 5: Solve for x
   x = 10,063,245.29/3,667.11
6. Step 6: Final answer
   x = 2,744.19