Finding the Fourth Proportional to 5,870.43, 8,100.95 and 3,513.87

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.43 : 8,100.95 = 3,513.87 : x
2. Step 2: Convert to fraction form
   5,870.43/8,100.95 = 3,513.87/x
3. Step 3: Cross multiply
   5,870.43x = 8,100.95 × 3,513.87
4. Step 4: Simplify right side
   5,870.43x = 28,465,667.61
5. Step 5: Solve for x
   x = 28,465,667.61/5,870.43
6. Step 6: Final answer
   x = 4,848.99