Finding the Fourth Proportional to 10,155.49, 15,236.69 and 5,475.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.49 : 15,236.69 = 5,475.95 : x
2. Step 2: Convert to fraction form
   10,155.49/15,236.69 = 5,475.95/x
3. Step 3: Cross multiply
   10,155.49x = 15,236.69 × 5,475.95
4. Step 4: Simplify right side
   10,155.49x = 83,435,352.61
5. Step 5: Solve for x
   x = 83,435,352.61/10,155.49
6. Step 6: Final answer
   x = 8,215.79