Finding the Fourth Proportional to 3,667.32, 5,060.85 and 1,988.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.32 : 5,060.85 = 1,988.70 : x
2. Step 2: Convert to fraction form
   3,667.32/5,060.85 = 1,988.70/x
3. Step 3: Cross multiply
   3,667.32x = 5,060.85 × 1,988.70
4. Step 4: Simplify right side
   3,667.32x = 10,064,512.40
5. Step 5: Solve for x
   x = 10,064,512.40/3,667.32
6. Step 6: Final answer
   x = 2,744.38