Finding the Fourth Proportional to 3,887.86, 5,807.01 and 3,517.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,887.86 : 5,807.01 = 3,517.09 : x
2. Step 2: Convert to fraction form
   3,887.86/5,807.01 = 3,517.09/x
3. Step 3: Cross multiply
   3,887.86x = 5,807.01 × 3,517.09
4. Step 4: Simplify right side
   3,887.86x = 20,423,759.22
5. Step 5: Solve for x
   x = 20,423,759.22/3,887.86
6. Step 6: Final answer
   x = 5,253.22