Finding the Fourth Proportional to 2,187.27, 3,019.28 and 1,602.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.27 : 3,019.28 = 1,602.45 : x
2. Step 2: Convert to fraction form
   2,187.27/3,019.28 = 1,602.45/x
3. Step 3: Cross multiply
   2,187.27x = 3,019.28 × 1,602.45
4. Step 4: Simplify right side
   2,187.27x = 4,838,237.22
5. Step 5: Solve for x
   x = 4,838,237.22/2,187.27
6. Step 6: Final answer
   x = 2,212.00