Finding the Fourth Proportional to 2,175.86, 3,003.87 and 1,667.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.86 : 3,003.87 = 1,667.58 : x
2. Step 2: Convert to fraction form
   2,175.86/3,003.87 = 1,667.58/x
3. Step 3: Cross multiply
   2,175.86x = 3,003.87 × 1,667.58
4. Step 4: Simplify right side
   2,175.86x = 5,009,196.88
5. Step 5: Solve for x
   x = 5,009,196.88/2,175.86
6. Step 6: Final answer
   x = 2,302.17