Finding the Fourth Proportional to 9,931.48, 13,701.54 and 5,738.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,931.48 : 13,701.54 = 5,738.92 : x
2. Step 2: Convert to fraction form
   9,931.48/13,701.54 = 5,738.92/x
3. Step 3: Cross multiply
   9,931.48x = 13,701.54 × 5,738.92
4. Step 4: Simplify right side
   9,931.48x = 78,632,041.94
5. Step 5: Solve for x
   x = 78,632,041.94/9,931.48
6. Step 6: Final answer
   x = 7,917.45