Finding the Fourth Proportional to 10,185.16, 15,155.77 and 10,150.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,185.16 : 15,155.77 = 10,150.60 : x
2. Step 2: Convert to fraction form
   10,185.16/15,155.77 = 10,150.60/x
3. Step 3: Cross multiply
   10,185.16x = 15,155.77 × 10,150.60
4. Step 4: Simplify right side
   10,185.16x = 153,840,158.96
5. Step 5: Solve for x
   x = 153,840,158.96/10,185.16
6. Step 6: Final answer
   x = 15,104.34