Finding the Fourth Proportional to 3,886.77, 5,837.04 and 3,577.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.77 : 5,837.04 = 3,577.89 : x
2. Step 2: Convert to fraction form
   3,886.77/5,837.04 = 3,577.89/x
3. Step 3: Cross multiply
   3,886.77x = 5,837.04 × 3,577.89
4. Step 4: Simplify right side
   3,886.77x = 20,884,287.05
5. Step 5: Solve for x
   x = 20,884,287.05/3,886.77
6. Step 6: Final answer
   x = 5,373.17