Finding the Fourth Proportional to 10,864.12, 14,987.64 and 7,326.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864.12 : 14,987.64 = 7,326.04 : x
2. Step 2: Convert to fraction form
   10,864.12/14,987.64 = 7,326.04/x
3. Step 3: Cross multiply
   10,864.12x = 14,987.64 × 7,326.04
4. Step 4: Simplify right side
   10,864.12x = 109,800,050.15
5. Step 5: Solve for x
   x = 109,800,050.15/10,864.12
6. Step 6: Final answer
   x = 10,106.67