Finding the Fourth Proportional to 3,667.39, 5,061.00 and 1,988.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.39 : 5,061.00 = 1,988.79 : x
2. Step 2: Convert to fraction form
   3,667.39/5,061.00 = 1,988.79/x
3. Step 3: Cross multiply
   3,667.39x = 5,061.00 × 1,988.79
4. Step 4: Simplify right side
   3,667.39x = 10,065,292.63
5. Step 5: Solve for x
   x = 10,065,292.63/3,667.39
6. Step 6: Final answer
   x = 2,744.54