Finding the Fourth Proportional to 2,162.45, 2,973.16 and 1,924.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.45 : 2,973.16 = 1,924.10 : x
2. Step 2: Convert to fraction form
   2,162.45/2,973.16 = 1,924.10/x
3. Step 3: Cross multiply
   2,162.45x = 2,973.16 × 1,924.10
4. Step 4: Simplify right side
   2,162.45x = 5,720,657.16
5. Step 5: Solve for x
   x = 5,720,657.16/2,162.45
6. Step 6: Final answer
   x = 2,645.45