Finding the Fourth Proportional to 2,313.59, 3,190.82 and 1,429.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,313.59 : 3,190.82 = 1,429.61 : x
2. Step 2: Convert to fraction form
   2,313.59/3,190.82 = 1,429.61/x
3. Step 3: Cross multiply
   2,313.59x = 3,190.82 × 1,429.61
4. Step 4: Simplify right side
   2,313.59x = 4,561,605.08
5. Step 5: Solve for x
   x = 4,561,605.08/2,313.59
6. Step 6: Final answer
   x = 1,971.66