Finding the Fourth Proportional to 8,320.48, 12,449.38 and 7,875.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,320.48 : 12,449.38 = 7,875.52 : x
2. Step 2: Convert to fraction form
   8,320.48/12,449.38 = 7,875.52/x
3. Step 3: Cross multiply
   8,320.48x = 12,449.38 × 7,875.52
4. Step 4: Simplify right side
   8,320.48x = 98,045,341.18
5. Step 5: Solve for x
   x = 98,045,341.18/8,320.48
6. Step 6: Final answer
   x = 11,783.62