Finding the Fourth Proportional to 3,427.01, 5,140.61 and 1,087.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,427.01 : 5,140.61 = 1,087.02 : x
2. Step 2: Convert to fraction form
   3,427.01/5,140.61 = 1,087.02/x
3. Step 3: Cross multiply
   3,427.01x = 5,140.61 × 1,087.02
4. Step 4: Simplify right side
   3,427.01x = 5,587,940.45
5. Step 5: Solve for x
   x = 5,587,940.45/3,427.01
6. Step 6: Final answer
   x = 1,630.56