Finding the Fourth Proportional to 10,145.74, 15,131.83 and 9,793.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,145.74 : 15,131.83 = 9,793.03 : x
2. Step 2: Convert to fraction form
   10,145.74/15,131.83 = 9,793.03/x
3. Step 3: Cross multiply
   10,145.74x = 15,131.83 × 9,793.03
4. Step 4: Simplify right side
   10,145.74x = 148,186,465.14
5. Step 5: Solve for x
   x = 148,186,465.14/10,145.74
6. Step 6: Final answer
   x = 14,605.78