Finding the Fourth Proportional to 2,667.12, 3,680.48 and 1,488.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.12 : 3,680.48 = 1,488.32 : x
2. Step 2: Convert to fraction form
   2,667.12/3,680.48 = 1,488.32/x
3. Step 3: Cross multiply
   2,667.12x = 3,680.48 × 1,488.32
4. Step 4: Simplify right side
   2,667.12x = 5,477,731.99
5. Step 5: Solve for x
   x = 5,477,731.99/2,667.12
6. Step 6: Final answer
   x = 2,053.80