Finding the Fourth Proportional to 10,978.70, 16,432.68 and 7,233.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.70 : 16,432.68 = 7,233.56 : x
2. Step 2: Convert to fraction form
   10,978.70/16,432.68 = 7,233.56/x
3. Step 3: Cross multiply
   10,978.70x = 16,432.68 × 7,233.56
4. Step 4: Simplify right side
   10,978.70x = 118,866,694.58
5. Step 5: Solve for x
   x = 118,866,694.58/10,978.70
6. Step 6: Final answer
   x = 10,827.03