Finding the Fourth Proportional to 2,667.50, 3,679.95 and 1,547.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.50 : 3,679.95 = 1,547.79 : x
2. Step 2: Convert to fraction form
   2,667.50/3,679.95 = 1,547.79/x
3. Step 3: Cross multiply
   2,667.50x = 3,679.95 × 1,547.79
4. Step 4: Simplify right side
   2,667.50x = 5,695,775.28
5. Step 5: Solve for x
   x = 5,695,775.28/2,667.50
6. Step 6: Final answer
   x = 2,135.25