Finding the Fourth Proportional to 1,667.16, 2,498.82 and 1,377.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.16 : 2,498.82 = 1,377.88 : x
2. Step 2: Convert to fraction form
   1,667.16/2,498.82 = 1,377.88/x
3. Step 3: Cross multiply
   1,667.16x = 2,498.82 × 1,377.88
4. Step 4: Simplify right side
   1,667.16x = 3,443,074.10
5. Step 5: Solve for x
   x = 3,443,074.10/1,667.16
6. Step 6: Final answer
   x = 2,065.23