Finding the Fourth Proportional to 2,538.91, 3,817.05 and 2,055.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.91 : 3,817.05 = 2,055.34 : x
2. Step 2: Convert to fraction form
   2,538.91/3,817.05 = 2,055.34/x
3. Step 3: Cross multiply
   2,538.91x = 3,817.05 × 2,055.34
4. Step 4: Simplify right side
   2,538.91x = 7,845,335.55
5. Step 5: Solve for x
   x = 7,845,335.55/2,538.91
6. Step 6: Final answer
   x = 3,090.04