Finding the Fourth Proportional to 10,146.87, 15,195.69 and 7,018.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.87 : 15,195.69 = 7,018.09 : x
2. Step 2: Convert to fraction form
   10,146.87/15,195.69 = 7,018.09/x
3. Step 3: Cross multiply
   10,146.87x = 15,195.69 × 7,018.09
4. Step 4: Simplify right side
   10,146.87x = 106,644,737.58
5. Step 5: Solve for x
   x = 106,644,737.58/10,146.87
6. Step 6: Final answer
   x = 10,510.12