Finding the Fourth Proportional to 9,938.86, 13,717.32 and 5,749.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.86 : 13,717.32 = 5,749.54 : x
2. Step 2: Convert to fraction form
   9,938.86/13,717.32 = 5,749.54/x
3. Step 3: Cross multiply
   9,938.86x = 13,717.32 × 5,749.54
4. Step 4: Simplify right side
   9,938.86x = 78,868,280.03
5. Step 5: Solve for x
   x = 78,868,280.03/9,938.86
6. Step 6: Final answer
   x = 7,935.34