Finding the Fourth Proportional to 1,799.46, 2,696.49 and 1,615.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799.46 : 2,696.49 = 1,615.86 : x
2. Step 2: Convert to fraction form
   1,799.46/2,696.49 = 1,615.86/x
3. Step 3: Cross multiply
   1,799.46x = 2,696.49 × 1,615.86
4. Step 4: Simplify right side
   1,799.46x = 4,357,150.33
5. Step 5: Solve for x
   x = 4,357,150.33/1,799.46
6. Step 6: Final answer
   x = 2,421.37