Finding the Fourth Proportional to 3,914.49, 5,873.43 and 2,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.49 : 5,873.43 = 2,598.72 : x
2. Step 2: Convert to fraction form
   3,914.49/5,873.43 = 2,598.72/x
3. Step 3: Cross multiply
   3,914.49x = 5,873.43 × 2,598.72
4. Step 4: Simplify right side
   3,914.49x = 15,263,373.11
5. Step 5: Solve for x
   x = 15,263,373.11/3,914.49
6. Step 6: Final answer
   x = 3,899.19