Finding the Fourth Proportional to 10,541.54, 15,814.71 and 3,145.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,541.54 : 15,814.71 = 3,145.73 : x
2. Step 2: Convert to fraction form
   10,541.54/15,814.71 = 3,145.73/x
3. Step 3: Cross multiply
   10,541.54x = 15,814.71 × 3,145.73
4. Step 4: Simplify right side
   10,541.54x = 49,748,728.61
5. Step 5: Solve for x
   x = 49,748,728.61/10,541.54
6. Step 6: Final answer
   x = 4,719.30