Finding the Fourth Proportional to 9,777.09, 13,492.33 and 5,300.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,777.09 : 13,492.33 = 5,300.76 : x
2. Step 2: Convert to fraction form
   9,777.09/13,492.33 = 5,300.76/x
3. Step 3: Cross multiply
   9,777.09x = 13,492.33 × 5,300.76
4. Step 4: Simplify right side
   9,777.09x = 71,519,603.17
5. Step 5: Solve for x
   x = 71,519,603.17/9,777.09
6. Step 6: Final answer
   x = 7,315.02