Finding the Fourth Proportional to 4,051.69, 5,591.33 and 2,188.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,051.69 : 5,591.33 = 2,188.69 : x
2. Step 2: Convert to fraction form
   4,051.69/5,591.33 = 2,188.69/x
3. Step 3: Cross multiply
   4,051.69x = 5,591.33 × 2,188.69
4. Step 4: Simplify right side
   4,051.69x = 12,237,671.34
5. Step 5: Solve for x
   x = 12,237,671.34/4,051.69
6. Step 6: Final answer
   x = 3,020.39