Finding the Fourth Proportional to 3,666.06, 5,059.17 and 1,987.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.06 : 5,059.17 = 1,987.46 : x
2. Step 2: Convert to fraction form
   3,666.06/5,059.17 = 1,987.46/x
3. Step 3: Cross multiply
   3,666.06x = 5,059.17 × 1,987.46
4. Step 4: Simplify right side
   3,666.06x = 10,054,900.32
5. Step 5: Solve for x
   x = 10,054,900.32/3,666.06
6. Step 6: Final answer
   x = 2,742.70