Finding the Fourth Proportional to 1,671.67, 2,498.32 and 1,540.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,671.67 : 2,498.32 = 1,540.32 : x
2. Step 2: Convert to fraction form
   1,671.67/2,498.32 = 1,540.32/x
3. Step 3: Cross multiply
   1,671.67x = 2,498.32 × 1,540.32
4. Step 4: Simplify right side
   1,671.67x = 3,848,212.26
5. Step 5: Solve for x
   x = 3,848,212.26/1,671.67
6. Step 6: Final answer
   x = 2,302.02