Finding the Fourth Proportional to 2,355.16, 3,238.50 and 2,092.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.16 : 3,238.50 = 2,092.72 : x
2. Step 2: Convert to fraction form
   2,355.16/3,238.50 = 2,092.72/x
3. Step 3: Cross multiply
   2,355.16x = 3,238.50 × 2,092.72
4. Step 4: Simplify right side
   2,355.16x = 6,777,273.72
5. Step 5: Solve for x
   x = 6,777,273.72/2,355.16
6. Step 6: Final answer
   x = 2,877.63