Finding the Fourth Proportional to 9,938.89, 13,715.48 and 5,462.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.89 : 13,715.48 = 5,462.42 : x
2. Step 2: Convert to fraction form
   9,938.89/13,715.48 = 5,462.42/x
3. Step 3: Cross multiply
   9,938.89x = 13,715.48 × 5,462.42
4. Step 4: Simplify right side
   9,938.89x = 74,919,712.26
5. Step 5: Solve for x
   x = 74,919,712.26/9,938.89
6. Step 6: Final answer
   x = 7,538.04