Finding the Fourth Proportional to 3,647.74, 5,031.86 and 2,529.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.74 : 5,031.86 = 2,529.34 : x
2. Step 2: Convert to fraction form
   3,647.74/5,031.86 = 2,529.34/x
3. Step 3: Cross multiply
   3,647.74x = 5,031.86 × 2,529.34
4. Step 4: Simplify right side
   3,647.74x = 12,727,284.77
5. Step 5: Solve for x
   x = 12,727,284.77/3,647.74
6. Step 6: Final answer
   x = 3,489.09