Finding the Fourth Proportional to 19,300.48, 26,635.52 and 10,917.12

Step by Step Solution

1. Step 1: Write the proportion equation
   19,300.48 : 26,635.52 = 10,917.12 : x
2. Step 2: Convert to fraction form
   19,300.48/26,635.52 = 10,917.12/x
3. Step 3: Cross multiply
   19,300.48x = 26,635.52 × 10,917.12
4. Step 4: Simplify right side
   19,300.48x = 290,783,168.10
5. Step 5: Solve for x
   x = 290,783,168.10/19,300.48
6. Step 6: Final answer
   x = 15,066.11