Finding the Fourth Proportional to 10,875.48, 16,326.54 and 7,180.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.48 : 16,326.54 = 7,180.84 : x
2. Step 2: Convert to fraction form
   10,875.48/16,326.54 = 7,180.84/x
3. Step 3: Cross multiply
   10,875.48x = 16,326.54 × 7,180.84
4. Step 4: Simplify right side
   10,875.48x = 117,238,271.49
5. Step 5: Solve for x
   x = 117,238,271.49/10,875.48
6. Step 6: Final answer
   x = 10,780.05