Finding the Fourth Proportional to 2,188.08, 3,015.90 and 1,488.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.08 : 3,015.90 = 1,488.24 : x
2. Step 2: Convert to fraction form
   2,188.08/3,015.90 = 1,488.24/x
3. Step 3: Cross multiply
   2,188.08x = 3,015.90 × 1,488.24
4. Step 4: Simplify right side
   2,188.08x = 4,488,383.02
5. Step 5: Solve for x
   x = 4,488,383.02/2,188.08
6. Step 6: Final answer
   x = 2,051.29