Finding the Fourth Proportional to 2,613.46, 3,606.80 and 1,434.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.46 : 3,606.80 = 1,434.76 : x
2. Step 2: Convert to fraction form
   2,613.46/3,606.80 = 1,434.76/x
3. Step 3: Cross multiply
   2,613.46x = 3,606.80 × 1,434.76
4. Step 4: Simplify right side
   2,613.46x = 5,174,892.37
5. Step 5: Solve for x
   x = 5,174,892.37/2,613.46
6. Step 6: Final answer
   x = 1,980.09