Finding the Fourth Proportional to 5,870.55, 8,100.99 and 3,599.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.55 : 8,100.99 = 3,599.31 : x
2. Step 2: Convert to fraction form
   5,870.55/8,100.99 = 3,599.31/x
3. Step 3: Cross multiply
   5,870.55x = 8,100.99 × 3,599.31
4. Step 4: Simplify right side
   5,870.55x = 29,157,974.32
5. Step 5: Solve for x
   x = 29,157,974.32/5,870.55
6. Step 6: Final answer
   x = 4,966.82