Finding the Fourth Proportional to 10,828.18, 14,940.33 and 6,111.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.18 : 14,940.33 = 6,111.55 : x
2. Step 2: Convert to fraction form
   10,828.18/14,940.33 = 6,111.55/x
3. Step 3: Cross multiply
   10,828.18x = 14,940.33 × 6,111.55
4. Step 4: Simplify right side
   10,828.18x = 91,308,499.11
5. Step 5: Solve for x
   x = 91,308,499.11/10,828.18
6. Step 6: Final answer
   x = 8,432.49