Finding the Fourth Proportional to 2,654.47, 3,971.05 and 2,064.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.47 : 3,971.05 = 2,064.91 : x
2. Step 2: Convert to fraction form
   2,654.47/3,971.05 = 2,064.91/x
3. Step 3: Cross multiply
   2,654.47x = 3,971.05 × 2,064.91
4. Step 4: Simplify right side
   2,654.47x = 8,199,860.86
5. Step 5: Solve for x
   x = 8,199,860.86/2,654.47
6. Step 6: Final answer
   x = 3,089.08