Finding the Fourth Proportional to 10,164.78, 15,247.94 and 3,498.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,164.78 : 15,247.94 = 3,498.54 : x
2. Step 2: Convert to fraction form
   10,164.78/15,247.94 = 3,498.54/x
3. Step 3: Cross multiply
   10,164.78x = 15,247.94 × 3,498.54
4. Step 4: Simplify right side
   10,164.78x = 53,345,510.51
5. Step 5: Solve for x
   x = 53,345,510.51/10,164.78
6. Step 6: Final answer
   x = 5,248.07