Finding the Fourth Proportional to 1,976.72, 2,967.60 and 1,612.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.72 : 2,967.60 = 1,612.22 : x
2. Step 2: Convert to fraction form
   1,976.72/2,967.60 = 1,612.22/x
3. Step 3: Cross multiply
   1,976.72x = 2,967.60 × 1,612.22
4. Step 4: Simplify right side
   1,976.72x = 4,784,424.07
5. Step 5: Solve for x
   x = 4,784,424.07/1,976.72
6. Step 6: Final answer
   x = 2,420.39