Finding the Fourth Proportional to 10,846.91, 16,271.58 and 3,448.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,846.91 : 16,271.58 = 3,448.78 : x
2. Step 2: Convert to fraction form
   10,846.91/16,271.58 = 3,448.78/x
3. Step 3: Cross multiply
   10,846.91x = 16,271.58 × 3,448.78
4. Step 4: Simplify right side
   10,846.91x = 56,117,071.93
5. Step 5: Solve for x
   x = 56,117,071.93/10,846.91
6. Step 6: Final answer
   x = 5,173.55