Finding the Fourth Proportional to 9,962.16, 13,747.88 and 5,486.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,962.16 : 13,747.88 = 5,486.01 : x
2. Step 2: Convert to fraction form
   9,962.16/13,747.88 = 5,486.01/x
3. Step 3: Cross multiply
   9,962.16x = 13,747.88 × 5,486.01
4. Step 4: Simplify right side
   9,962.16x = 75,420,979.73
5. Step 5: Solve for x
   x = 75,420,979.73/9,962.16
6. Step 6: Final answer
   x = 7,570.75