Finding the Fourth Proportional to 10,155.17, 15,232.69 and 2,759.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.17 : 15,232.69 = 2,759.60 : x
2. Step 2: Convert to fraction form
   10,155.17/15,232.69 = 2,759.60/x
3. Step 3: Cross multiply
   10,155.17x = 15,232.69 × 2,759.60
4. Step 4: Simplify right side
   10,155.17x = 42,036,172.86
5. Step 5: Solve for x
   x = 42,036,172.86/10,155.17
6. Step 6: Final answer
   x = 4,139.39