Finding the Fourth Proportional to 10,159.43, 15,240.83 and 3,139.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,159.43 : 15,240.83 = 3,139.29 : x
2. Step 2: Convert to fraction form
   10,159.43/15,240.83 = 3,139.29/x
3. Step 3: Cross multiply
   10,159.43x = 15,240.83 × 3,139.29
4. Step 4: Simplify right side
   10,159.43x = 47,845,369.51
5. Step 5: Solve for x
   x = 47,845,369.51/10,159.43
6. Step 6: Final answer
   x = 4,709.46