Finding the Fourth Proportional to 2,654.25, 3,953.34 and 2,515.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.25 : 3,953.34 = 2,515.47 : x
2. Step 2: Convert to fraction form
   2,654.25/3,953.34 = 2,515.47/x
3. Step 3: Cross multiply
   2,654.25x = 3,953.34 × 2,515.47
4. Step 4: Simplify right side
   2,654.25x = 9,944,495.59
5. Step 5: Solve for x
   x = 9,944,495.59/2,654.25
6. Step 6: Final answer
   x = 3,746.63