Finding the Fourth Proportional to 10,451.31, 15,680.61 and 4,608.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,451.31 : 15,680.61 = 4,608.42 : x
2. Step 2: Convert to fraction form
   10,451.31/15,680.61 = 4,608.42/x
3. Step 3: Cross multiply
   10,451.31x = 15,680.61 × 4,608.42
4. Step 4: Simplify right side
   10,451.31x = 72,262,836.74
5. Step 5: Solve for x
   x = 72,262,836.74/10,451.31
6. Step 6: Final answer
   x = 6,914.24