Finding the Fourth Proportional to 3,630.78, 5,010.42 and 2,058.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,630.78 : 5,010.42 = 2,058.96 : x
2. Step 2: Convert to fraction form
   3,630.78/5,010.42 = 2,058.96/x
3. Step 3: Cross multiply
   3,630.78x = 5,010.42 × 2,058.96
4. Step 4: Simplify right side
   3,630.78x = 10,316,254.36
5. Step 5: Solve for x
   x = 10,316,254.36/3,630.78
6. Step 6: Final answer
   x = 2,841.33