Finding the Fourth Proportional to 9,962.48, 13,748.23 and 5,486.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,962.48 : 13,748.23 = 5,486.23 : x
2. Step 2: Convert to fraction form
   9,962.48/13,748.23 = 5,486.23/x
3. Step 3: Cross multiply
   9,962.48x = 13,748.23 × 5,486.23
4. Step 4: Simplify right side
   9,962.48x = 75,425,903.79
5. Step 5: Solve for x
   x = 75,425,903.79/9,962.48
6. Step 6: Final answer
   x = 7,570.99