Finding the Fourth Proportional to 2,741.61, 3,784.62 and 2,111.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,741.61 : 3,784.62 = 2,111.91 : x
2. Step 2: Convert to fraction form
   2,741.61/3,784.62 = 2,111.91/x
3. Step 3: Cross multiply
   2,741.61x = 3,784.62 × 2,111.91
4. Step 4: Simplify right side
   2,741.61x = 7,992,776.82
5. Step 5: Solve for x
   x = 7,992,776.82/2,741.61
6. Step 6: Final answer
   x = 2,915.36