Finding the Fourth Proportional to 3,109.52, 4,641.52 and 2,740.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,109.52 : 4,641.52 = 2,740.47 : x
2. Step 2: Convert to fraction form
   3,109.52/4,641.52 = 2,740.47/x
3. Step 3: Cross multiply
   3,109.52x = 4,641.52 × 2,740.47
4. Step 4: Simplify right side
   3,109.52x = 12,719,953.17
5. Step 5: Solve for x
   x = 12,719,953.17/3,109.52
6. Step 6: Final answer
   x = 4,090.66