Finding the Fourth Proportional to 5,870.57, 8,101.76 and 3,877.63

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.57 : 8,101.76 = 3,877.63 : x
2. Step 2: Convert to fraction form
   5,870.57/8,101.76 = 3,877.63/x
3. Step 3: Cross multiply
   5,870.57x = 8,101.76 × 3,877.63
4. Step 4: Simplify right side
   5,870.57x = 31,415,627.63
5. Step 5: Solve for x
   x = 31,415,627.63/5,870.57
6. Step 6: Final answer
   x = 5,351.38