Finding the Fourth Proportional to 5,870.88, 8,104.35 and 3,512.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.88 : 8,104.35 = 3,512.57 : x
2. Step 2: Convert to fraction form
   5,870.88/8,104.35 = 3,512.57/x
3. Step 3: Cross multiply
   5,870.88x = 8,104.35 × 3,512.57
4. Step 4: Simplify right side
   5,870.88x = 28,467,038.59
5. Step 5: Solve for x
   x = 28,467,038.59/5,870.88
6. Step 6: Final answer
   x = 4,848.85