Finding the Fourth Proportional to 9,111.24, 13,692.51 and 5,414.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.24 : 13,692.51 = 5,414.13 : x
2. Step 2: Convert to fraction form
   9,111.24/13,692.51 = 5,414.13/x
3. Step 3: Cross multiply
   9,111.24x = 13,692.51 × 5,414.13
4. Step 4: Simplify right side
   9,111.24x = 74,133,029.17
5. Step 5: Solve for x
   x = 74,133,029.17/9,111.24
6. Step 6: Final answer
   x = 8,136.44