Finding the Fourth Proportional to 9,768.61, 13,480.54 and 5,938.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,768.61 : 13,480.54 = 5,938.93 : x
2. Step 2: Convert to fraction form
   9,768.61/13,480.54 = 5,938.93/x
3. Step 3: Cross multiply
   9,768.61x = 13,480.54 × 5,938.93
4. Step 4: Simplify right side
   9,768.61x = 80,059,983.42
5. Step 5: Solve for x
   x = 80,059,983.42/9,768.61
6. Step 6: Final answer
   x = 8,195.64