Finding the Fourth Proportional to 2,475.72, 3,715.38 and 1,994.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.72 : 3,715.38 = 1,994.58 : x
2. Step 2: Convert to fraction form
   2,475.72/3,715.38 = 1,994.58/x
3. Step 3: Cross multiply
   2,475.72x = 3,715.38 × 1,994.58
4. Step 4: Simplify right side
   2,475.72x = 7,410,622.64
5. Step 5: Solve for x
   x = 7,410,622.64/2,475.72
6. Step 6: Final answer
   x = 2,993.32