Finding the Fourth Proportional to 9,936.89, 13,712.72 and 5,460.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,936.89 : 13,712.72 = 5,460.42 : x
2. Step 2: Convert to fraction form
   9,936.89/13,712.72 = 5,460.42/x
3. Step 3: Cross multiply
   9,936.89x = 13,712.72 × 5,460.42
4. Step 4: Simplify right side
   9,936.89x = 74,877,210.54
5. Step 5: Solve for x
   x = 74,877,210.54/9,936.89
6. Step 6: Final answer
   x = 7,535.28