Finding the Fourth Proportional to 3,111.72, 4,634.21 and 3,093.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.72 : 4,634.21 = 3,093.96 : x
2. Step 2: Convert to fraction form
   3,111.72/4,634.21 = 3,093.96/x
3. Step 3: Cross multiply
   3,111.72x = 4,634.21 × 3,093.96
4. Step 4: Simplify right side
   3,111.72x = 14,338,085.48
5. Step 5: Solve for x
   x = 14,338,085.48/3,111.72
6. Step 6: Final answer
   x = 4,607.77