Finding the Fourth Proportional to 2,870.32, 3,961.32 and 1,675.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.32 : 3,961.32 = 1,675.72 : x
2. Step 2: Convert to fraction form
   2,870.32/3,961.32 = 1,675.72/x
3. Step 3: Cross multiply
   2,870.32x = 3,961.32 × 1,675.72
4. Step 4: Simplify right side
   2,870.32x = 6,638,063.15
5. Step 5: Solve for x
   x = 6,638,063.15/2,870.32
6. Step 6: Final answer
   x = 2,312.66