Finding the Fourth Proportional to 11,271.42, 16,909.90 and 3,875.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,271.42 : 16,909.90 = 3,875.98 : x
2. Step 2: Convert to fraction form
   11,271.42/16,909.90 = 3,875.98/x
3. Step 3: Cross multiply
   11,271.42x = 16,909.90 × 3,875.98
4. Step 4: Simplify right side
   11,271.42x = 65,542,434.20
5. Step 5: Solve for x
   x = 65,542,434.20/11,271.42
6. Step 6: Final answer
   x = 5,814.92