Finding the Fourth Proportional to 9,776.00, 13,490.71 and 5,526.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,776.00 : 13,490.71 = 5,526.99 : x
2. Step 2: Convert to fraction form
   9,776.00/13,490.71 = 5,526.99/x
3. Step 3: Cross multiply
   9,776.00x = 13,490.71 × 5,526.99
4. Step 4: Simplify right side
   9,776.00x = 74,563,005.45
5. Step 5: Solve for x
   x = 74,563,005.45/9,776.00
6. Step 6: Final answer
   x = 7,627.15