Finding the Fourth Proportional to 9,936.52, 13,712.06 and 5,459.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,936.52 : 13,712.06 = 5,459.99 : x
2. Step 2: Convert to fraction form
   9,936.52/13,712.06 = 5,459.99/x
3. Step 3: Cross multiply
   9,936.52x = 13,712.06 × 5,459.99
4. Step 4: Simplify right side
   9,936.52x = 74,867,655.57
5. Step 5: Solve for x
   x = 74,867,655.57/9,936.52
6. Step 6: Final answer
   x = 7,534.60