Finding the Fourth Proportional to 2,012.72, 2,777.63 and 1,173.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.72 : 2,777.63 = 1,173.96 : x
2. Step 2: Convert to fraction form
   2,012.72/2,777.63 = 1,173.96/x
3. Step 3: Cross multiply
   2,012.72x = 2,777.63 × 1,173.96
4. Step 4: Simplify right side
   2,012.72x = 3,260,820.65
5. Step 5: Solve for x
   x = 3,260,820.65/2,012.72
6. Step 6: Final answer
   x = 1,620.11