Finding the Fourth Proportional to 5,870.86, 8,101.75 and 3,513.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.86 : 8,101.75 = 3,513.55 : x
2. Step 2: Convert to fraction form
   5,870.86/8,101.75 = 3,513.55/x
3. Step 3: Cross multiply
   5,870.86x = 8,101.75 × 3,513.55
4. Step 4: Simplify right side
   5,870.86x = 28,465,903.71
5. Step 5: Solve for x
   x = 28,465,903.71/5,870.86
6. Step 6: Final answer
   x = 4,848.68