Finding the Fourth Proportional to 3,881.46, 5,819.31 and 3,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,881.46 : 5,819.31 = 3,490.50 : x
2. Step 2: Convert to fraction form
   3,881.46/5,819.31 = 3,490.50/x
3. Step 3: Cross multiply
   3,881.46x = 5,819.31 × 3,490.50
4. Step 4: Simplify right side
   3,881.46x = 20,312,301.56
5. Step 5: Solve for x
   x = 20,312,301.56/3,881.46
6. Step 6: Final answer
   x = 5,233.16