Finding the Fourth Proportional to 10,048.39, 13,863.96 and 7,917.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,048.39 : 13,863.96 = 7,917.30 : x
2. Step 2: Convert to fraction form
   10,048.39/13,863.96 = 7,917.30/x
3. Step 3: Cross multiply
   10,048.39x = 13,863.96 × 7,917.30
4. Step 4: Simplify right side
   10,048.39x = 109,765,130.51
5. Step 5: Solve for x
   x = 109,765,130.51/10,048.39
6. Step 6: Final answer
   x = 10,923.66