Finding the Fourth Proportional to 2,269.34, 3,402.60 and 1,488.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.34 : 3,402.60 = 1,488.39 : x
2. Step 2: Convert to fraction form
   2,269.34/3,402.60 = 1,488.39/x
3. Step 3: Cross multiply
   2,269.34x = 3,402.60 × 1,488.39
4. Step 4: Simplify right side
   2,269.34x = 5,064,395.81
5. Step 5: Solve for x
   x = 5,064,395.81/2,269.34
6. Step 6: Final answer
   x = 2,231.67