Finding the Fourth Proportional to 3,779.39, 5,643.63 and 3,087.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,779.39 : 5,643.63 = 3,087.43 : x
2. Step 2: Convert to fraction form
   3,779.39/5,643.63 = 3,087.43/x
3. Step 3: Cross multiply
   3,779.39x = 5,643.63 × 3,087.43
4. Step 4: Simplify right side
   3,779.39x = 17,424,298.46
5. Step 5: Solve for x
   x = 17,424,298.46/3,779.39
6. Step 6: Final answer
   x = 4,610.34