Finding the Fourth Proportional to 8,810.56, 12,156.78 and 5,273.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,810.56 : 12,156.78 = 5,273.02 : x
2. Step 2: Convert to fraction form
   8,810.56/12,156.78 = 5,273.02/x
3. Step 3: Cross multiply
   8,810.56x = 12,156.78 × 5,273.02
4. Step 4: Simplify right side
   8,810.56x = 64,102,944.08
5. Step 5: Solve for x
   x = 64,102,944.08/8,810.56
6. Step 6: Final answer
   x = 7,275.69