Finding the Fourth Proportional to 3,689.96, 5,092.69 and 2,430.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689.96 : 5,092.69 = 2,430.82 : x
2. Step 2: Convert to fraction form
   3,689.96/5,092.69 = 2,430.82/x
3. Step 3: Cross multiply
   3,689.96x = 5,092.69 × 2,430.82
4. Step 4: Simplify right side
   3,689.96x = 12,379,412.71
5. Step 5: Solve for x
   x = 12,379,412.71/3,689.96
6. Step 6: Final answer
   x = 3,354.89