Finding the Fourth Proportional to 2,039.76, 2,815.97 and 1,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.76 : 2,815.97 = 1,598.72 : x
2. Step 2: Convert to fraction form
   2,039.76/2,815.97 = 1,598.72/x
3. Step 3: Cross multiply
   2,039.76x = 2,815.97 × 1,598.72
4. Step 4: Simplify right side
   2,039.76x = 4,501,925.48
5. Step 5: Solve for x
   x = 4,501,925.48/2,039.76
6. Step 6: Final answer
   x = 2,207.09