Finding the Fourth Proportional to 2,776.72, 3,832.50 and 1,892.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.72 : 3,832.50 = 1,892.88 : x
2. Step 2: Convert to fraction form
   2,776.72/3,832.50 = 1,892.88/x
3. Step 3: Cross multiply
   2,776.72x = 3,832.50 × 1,892.88
4. Step 4: Simplify right side
   2,776.72x = 7,254,462.60
5. Step 5: Solve for x
   x = 7,254,462.60/2,776.72
6. Step 6: Final answer
   x = 2,612.60