Finding the Fourth Proportional to 9,942.84, 13,720.18 and 5,466.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,942.84 : 13,720.18 = 5,466.52 : x
2. Step 2: Convert to fraction form
   9,942.84/13,720.18 = 5,466.52/x
3. Step 3: Cross multiply
   9,942.84x = 13,720.18 × 5,466.52
4. Step 4: Simplify right side
   9,942.84x = 75,001,638.37
5. Step 5: Solve for x
   x = 75,001,638.37/9,942.84
6. Step 6: Final answer
   x = 7,543.28