Finding the Fourth Proportional to 9,936.76, 13,712.69 and 5,460.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,936.76 : 13,712.69 = 5,460.70 : x
2. Step 2: Convert to fraction form
   9,936.76/13,712.69 = 5,460.70/x
3. Step 3: Cross multiply
   9,936.76x = 13,712.69 × 5,460.70
4. Step 4: Simplify right side
   9,936.76x = 74,880,858.98
5. Step 5: Solve for x
   x = 74,880,858.98/9,936.76
6. Step 6: Final answer
   x = 7,535.74