Finding the Fourth Proportional to 3,618.08, 5,427.52 and 1,426.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,618.08 : 5,427.52 = 1,426.52 : x
2. Step 2: Convert to fraction form
   3,618.08/5,427.52 = 1,426.52/x
3. Step 3: Cross multiply
   3,618.08x = 5,427.52 × 1,426.52
4. Step 4: Simplify right side
   3,618.08x = 7,742,465.83
5. Step 5: Solve for x
   x = 7,742,465.83/3,618.08
6. Step 6: Final answer
   x = 2,139.94