Finding the Fourth Proportional to 1,735.72, 2,607.15 and 1,660.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,735.72 : 2,607.15 = 1,660.86 : x
2. Step 2: Convert to fraction form
   1,735.72/2,607.15 = 1,660.86/x
3. Step 3: Cross multiply
   1,735.72x = 2,607.15 × 1,660.86
4. Step 4: Simplify right side
   1,735.72x = 4,330,111.15
5. Step 5: Solve for x
   x = 4,330,111.15/1,735.72
6. Step 6: Final answer
   x = 2,494.71