Finding the Fourth Proportional to 2,699.72, 3,727.73 and 2,111.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.72 : 3,727.73 = 2,111.93 : x
2. Step 2: Convert to fraction form
   2,699.72/3,727.73 = 2,111.93/x
3. Step 3: Cross multiply
   2,699.72x = 3,727.73 × 2,111.93
4. Step 4: Simplify right side
   2,699.72x = 7,872,704.82
5. Step 5: Solve for x
   x = 7,872,704.82/2,699.72
6. Step 6: Final answer
   x = 2,916.12