Finding the Fourth Proportional to 2,499.69, 3,740.67 and 2,157.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.69 : 3,740.67 = 2,157.06 : x
2. Step 2: Convert to fraction form
   2,499.69/3,740.67 = 2,157.06/x
3. Step 3: Cross multiply
   2,499.69x = 3,740.67 × 2,157.06
4. Step 4: Simplify right side
   2,499.69x = 8,068,849.63
5. Step 5: Solve for x
   x = 8,068,849.63/2,499.69
6. Step 6: Final answer
   x = 3,227.94