Finding the Fourth Proportional to 3,457.31, 5,182.59 and 1,376.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,457.31 : 5,182.59 = 1,376.69 : x
2. Step 2: Convert to fraction form
   3,457.31/5,182.59 = 1,376.69/x
3. Step 3: Cross multiply
   3,457.31x = 5,182.59 × 1,376.69
4. Step 4: Simplify right side
   3,457.31x = 7,134,819.83
5. Step 5: Solve for x
   x = 7,134,819.83/3,457.31
6. Step 6: Final answer
   x = 2,063.69