Finding the Fourth Proportional to 11,141.42, 15,374.90 and 6,105.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,141.42 : 15,374.90 = 6,105.53 : x
2. Step 2: Convert to fraction form
   11,141.42/15,374.90 = 6,105.53/x
3. Step 3: Cross multiply
   11,141.42x = 15,374.90 × 6,105.53
4. Step 4: Simplify right side
   11,141.42x = 93,871,851.59
5. Step 5: Solve for x
   x = 93,871,851.59/11,141.42
6. Step 6: Final answer
   x = 8,425.49