Finding the Fourth Proportional to 10,446.63, 15,655.22 and 5,768.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,446.63 : 15,655.22 = 5,768.75 : x
2. Step 2: Convert to fraction form
   10,446.63/15,655.22 = 5,768.75/x
3. Step 3: Cross multiply
   10,446.63x = 15,655.22 × 5,768.75
4. Step 4: Simplify right side
   10,446.63x = 90,311,009.17
5. Step 5: Solve for x
   x = 90,311,009.17/10,446.63
6. Step 6: Final answer
   x = 8,644.99