Finding the Fourth Proportional to 9,776.06, 13,491.04 and 5,526.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,776.06 : 13,491.04 = 5,526.94 : x
2. Step 2: Convert to fraction form
   9,776.06/13,491.04 = 5,526.94/x
3. Step 3: Cross multiply
   9,776.06x = 13,491.04 × 5,526.94
4. Step 4: Simplify right side
   9,776.06x = 74,564,168.62
5. Step 5: Solve for x
   x = 74,564,168.62/9,776.06
6. Step 6: Final answer
   x = 7,627.22