Finding the Fourth Proportional to 10,105.12, 13,943.55 and 5,628.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.12 : 13,943.55 = 5,628.93 : x
2. Step 2: Convert to fraction form
   10,105.12/13,943.55 = 5,628.93/x
3. Step 3: Cross multiply
   10,105.12x = 13,943.55 × 5,628.93
4. Step 4: Simplify right side
   10,105.12x = 78,487,266.90
5. Step 5: Solve for x
   x = 78,487,266.90/10,105.12
6. Step 6: Final answer
   x = 7,767.08