Finding the Fourth Proportional to 9,771.84, 13,488.12 and 7,795.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,771.84 : 13,488.12 = 7,795.98 : x
2. Step 2: Convert to fraction form
   9,771.84/13,488.12 = 7,795.98/x
3. Step 3: Cross multiply
   9,771.84x = 13,488.12 × 7,795.98
4. Step 4: Simplify right side
   9,771.84x = 105,153,113.76
5. Step 5: Solve for x
   x = 105,153,113.76/9,771.84
6. Step 6: Final answer
   x = 10,760.83