Finding the Fourth Proportional to 10,454.53, 15,680.28 and 3,434.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,454.53 : 15,680.28 = 3,434.82 : x
2. Step 2: Convert to fraction form
   10,454.53/15,680.28 = 3,434.82/x
3. Step 3: Cross multiply
   10,454.53x = 15,680.28 × 3,434.82
4. Step 4: Simplify right side
   10,454.53x = 53,858,899.95
5. Step 5: Solve for x
   x = 53,858,899.95/10,454.53
6. Step 6: Final answer
   x = 5,151.73