Finding the Fourth Proportional to 10,180.54, 15,250.90 and 7,017.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,180.54 : 15,250.90 = 7,017.42 : x
2. Step 2: Convert to fraction form
   10,180.54/15,250.90 = 7,017.42/x
3. Step 3: Cross multiply
   10,180.54x = 15,250.90 × 7,017.42
4. Step 4: Simplify right side
   10,180.54x = 107,021,970.68
5. Step 5: Solve for x
   x = 107,021,970.68/10,180.54
6. Step 6: Final answer
   x = 10,512.41