Finding the Fourth Proportional to 9,931.06, 13,703.34 and 5,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,931.06 : 13,703.34 = 5,738.50 : x
2. Step 2: Convert to fraction form
   9,931.06/13,703.34 = 5,738.50/x
3. Step 3: Cross multiply
   9,931.06x = 13,703.34 × 5,738.50
4. Step 4: Simplify right side
   9,931.06x = 78,636,616.59
5. Step 5: Solve for x
   x = 78,636,616.59/9,931.06
6. Step 6: Final answer
   x = 7,918.25