Finding the Fourth Proportional to 9,938.12, 13,713.81 and 5,462.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.12 : 13,713.81 = 5,462.11 : x
2. Step 2: Convert to fraction form
   9,938.12/13,713.81 = 5,462.11/x
3. Step 3: Cross multiply
   9,938.12x = 13,713.81 × 5,462.11
4. Step 4: Simplify right side
   9,938.12x = 74,906,296.83
5. Step 5: Solve for x
   x = 74,906,296.83/9,938.12
6. Step 6: Final answer
   x = 7,537.27