Finding the Fourth Proportional to 3,666.03, 5,059.10 and 1,987.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.03 : 5,059.10 = 1,987.48 : x
2. Step 2: Convert to fraction form
   3,666.03/5,059.10 = 1,987.48/x
3. Step 3: Cross multiply
   3,666.03x = 5,059.10 × 1,987.48
4. Step 4: Simplify right side
   3,666.03x = 10,054,852.39
5. Step 5: Solve for x
   x = 10,054,852.39/3,666.03
6. Step 6: Final answer
   x = 2,742.71