Finding the Fourth Proportional to 10,031.29, 15,037.71 and 3,455.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.29 : 15,037.71 = 3,455.91 : x
2. Step 2: Convert to fraction form
   10,031.29/15,037.71 = 3,455.91/x
3. Step 3: Cross multiply
   10,031.29x = 15,037.71 × 3,455.91
4. Step 4: Simplify right side
   10,031.29x = 51,968,972.37
5. Step 5: Solve for x
   x = 51,968,972.37/10,031.29
6. Step 6: Final answer
   x = 5,180.69