Finding the Fourth Proportional to 2,689.31, 4,030.50 and 1,302.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.31 : 4,030.50 = 1,302.32 : x
2. Step 2: Convert to fraction form
   2,689.31/4,030.50 = 1,302.32/x
3. Step 3: Cross multiply
   2,689.31x = 4,030.50 × 1,302.32
4. Step 4: Simplify right side
   2,689.31x = 5,249,000.76
5. Step 5: Solve for x
   x = 5,249,000.76/2,689.31
6. Step 6: Final answer
   x = 1,951.80