Finding the Fourth Proportional to 1,671.92, 2,498.60 and 1,575.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,671.92 : 2,498.60 = 1,575.89 : x
2. Step 2: Convert to fraction form
   1,671.92/2,498.60 = 1,575.89/x
3. Step 3: Cross multiply
   1,671.92x = 2,498.60 × 1,575.89
4. Step 4: Simplify right side
   1,671.92x = 3,937,518.75
5. Step 5: Solve for x
   x = 3,937,518.75/1,671.92
6. Step 6: Final answer
   x = 2,355.09