Finding the Fourth Proportional to 3,790.50, 5,231.04 and 2,111.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,790.50 : 5,231.04 = 2,111.92 : x
2. Step 2: Convert to fraction form
   3,790.50/5,231.04 = 2,111.92/x
3. Step 3: Cross multiply
   3,790.50x = 5,231.04 × 2,111.92
4. Step 4: Simplify right side
   3,790.50x = 11,047,538.00
5. Step 5: Solve for x
   x = 11,047,538.00/3,790.50
6. Step 6: Final answer
   x = 2,914.53