Finding the Fourth Proportional to 5,873.89, 8,106.05 and 3,515.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,873.89 : 8,106.05 = 3,515.57 : x
2. Step 2: Convert to fraction form
   5,873.89/8,106.05 = 3,515.57/x
3. Step 3: Cross multiply
   5,873.89x = 8,106.05 × 3,515.57
4. Step 4: Simplify right side
   5,873.89x = 28,497,386.20
5. Step 5: Solve for x
   x = 28,497,386.20/5,873.89
6. Step 6: Final answer
   x = 4,851.54