Finding the Fourth Proportional to 10,130.37, 15,185.83 and 7,159.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,130.37 : 15,185.83 = 7,159.54 : x
2. Step 2: Convert to fraction form
   10,130.37/15,185.83 = 7,159.54/x
3. Step 3: Cross multiply
   10,130.37x = 15,185.83 × 7,159.54
4. Step 4: Simplify right side
   10,130.37x = 108,723,543.35
5. Step 5: Solve for x
   x = 108,723,543.35/10,130.37
6. Step 6: Final answer
   x = 10,732.44