Finding the Fourth Proportional to 3,907.74, 5,868.33 and 3,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907.74 : 5,868.33 = 3,877.50 : x
2. Step 2: Convert to fraction form
   3,907.74/5,868.33 = 3,877.50/x
3. Step 3: Cross multiply
   3,907.74x = 5,868.33 × 3,877.50
4. Step 4: Simplify right side
   3,907.74x = 22,754,449.58
5. Step 5: Solve for x
   x = 22,754,449.58/3,907.74
6. Step 6: Final answer
   x = 5,822.92