Finding the Fourth Proportional to 10,155.56, 14,001.90 and 7,768.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.56 : 14,001.90 = 7,768.44 : x
2. Step 2: Convert to fraction form
   10,155.56/14,001.90 = 7,768.44/x
3. Step 3: Cross multiply
   10,155.56x = 14,001.90 × 7,768.44
4. Step 4: Simplify right side
   10,155.56x = 108,772,920.04
5. Step 5: Solve for x
   x = 108,772,920.04/10,155.56
6. Step 6: Final answer
   x = 10,710.68