Finding the Fourth Proportional to 10,875.95, 16,315.97 and 3,478.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.95 : 16,315.97 = 3,478.42 : x
2. Step 2: Convert to fraction form
   10,875.95/16,315.97 = 3,478.42/x
3. Step 3: Cross multiply
   10,875.95x = 16,315.97 × 3,478.42
4. Step 4: Simplify right side
   10,875.95x = 56,753,796.37
5. Step 5: Solve for x
   x = 56,753,796.37/10,875.95
6. Step 6: Final answer
   x = 5,218.28