Finding the Fourth Proportional to 1,872.72, 2,796.12 and 1,756.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872.72 : 2,796.12 = 1,756.08 : x
2. Step 2: Convert to fraction form
   1,872.72/2,796.12 = 1,756.08/x
3. Step 3: Cross multiply
   1,872.72x = 2,796.12 × 1,756.08
4. Step 4: Simplify right side
   1,872.72x = 4,910,210.41
5. Step 5: Solve for x
   x = 4,910,210.41/1,872.72
6. Step 6: Final answer
   x = 2,621.97