Finding the Fourth Proportional to 3,667.68, 5,498.28 and 1,931.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.68 : 5,498.28 = 1,931.04 : x
2. Step 2: Convert to fraction form
   3,667.68/5,498.28 = 1,931.04/x
3. Step 3: Cross multiply
   3,667.68x = 5,498.28 × 1,931.04
4. Step 4: Simplify right side
   3,667.68x = 10,617,398.61
5. Step 5: Solve for x
   x = 10,617,398.61/3,667.68
6. Step 6: Final answer
   x = 2,894.85