Finding the Fourth Proportional to 10,112.48, 13,954.69 and 5,575.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.48 : 13,954.69 = 5,575.90 : x
2. Step 2: Convert to fraction form
   10,112.48/13,954.69 = 5,575.90/x
3. Step 3: Cross multiply
   10,112.48x = 13,954.69 × 5,575.90
4. Step 4: Simplify right side
   10,112.48x = 77,809,981.68
5. Step 5: Solve for x
   x = 77,809,981.68/10,112.48
6. Step 6: Final answer
   x = 7,694.45