Finding the Fourth Proportional to 10,125.05, 13,972.54 and 5,648.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,125.05 : 13,972.54 = 5,648.81 : x
2. Step 2: Convert to fraction form
   10,125.05/13,972.54 = 5,648.81/x
3. Step 3: Cross multiply
   10,125.05x = 13,972.54 × 5,648.81
4. Step 4: Simplify right side
   10,125.05x = 78,928,181.50
5. Step 5: Solve for x
   x = 78,928,181.50/10,125.05
6. Step 6: Final answer
   x = 7,795.33