Finding the Fourth Proportional to 9,942.53, 13,720.52 and 5,466.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,942.53 : 13,720.52 = 5,466.25 : x
2. Step 2: Convert to fraction form
   9,942.53/13,720.52 = 5,466.25/x
3. Step 3: Cross multiply
   9,942.53x = 13,720.52 × 5,466.25
4. Step 4: Simplify right side
   9,942.53x = 74,999,696.52
5. Step 5: Solve for x
   x = 74,999,696.52/9,942.53
6. Step 6: Final answer
   x = 7,543.32