Finding the Fourth Proportional to 3,667.36, 5,060.96 and 1,988.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.36 : 5,060.96 = 1,988.77 : x
2. Step 2: Convert to fraction form
   3,667.36/5,060.96 = 1,988.77/x
3. Step 3: Cross multiply
   3,667.36x = 5,060.96 × 1,988.77
4. Step 4: Simplify right side
   3,667.36x = 10,065,060.17
5. Step 5: Solve for x
   x = 10,065,060.17/3,667.36
6. Step 6: Final answer
   x = 2,744.50