Finding the Fourth Proportional to 5,870.76, 8,101.74 and 3,513

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.76 : 8,101.74 = 3,513 : x
2. Step 2: Convert to fraction form
   5,870.76/8,101.74 = 3,513/x
3. Step 3: Cross multiply
   5,870.76x = 8,101.74 × 3,513
4. Step 4: Simplify right side
   5,870.76x = 28,461,412.62
5. Step 5: Solve for x
   x = 28,461,412.62/5,870.76
6. Step 6: Final answer
   x = 4,847.99