Finding the Fourth Proportional to 10,042.98, 15,064.56 and 2,648.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,042.98 : 15,064.56 = 2,648.49 : x
2. Step 2: Convert to fraction form
   10,042.98/15,064.56 = 2,648.49/x
3. Step 3: Cross multiply
   10,042.98x = 15,064.56 × 2,648.49
4. Step 4: Simplify right side
   10,042.98x = 39,898,336.51
5. Step 5: Solve for x
   x = 39,898,336.51/10,042.98
6. Step 6: Final answer
   x = 3,972.76