Finding the Fourth Proportional to 12,949.11, 19,418.31 and 4,061.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,949.11 : 19,418.31 = 4,061.48 : x
2. Step 2: Convert to fraction form
   12,949.11/19,418.31 = 4,061.48/x
3. Step 3: Cross multiply
   12,949.11x = 19,418.31 × 4,061.48
4. Step 4: Simplify right side
   12,949.11x = 78,866,980.61
5. Step 5: Solve for x
   x = 78,866,980.61/12,949.11
6. Step 6: Final answer
   x = 6,090.53