Finding the Fourth Proportional to 10,857.50, 16,274.88 and 5,017.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,857.50 : 16,274.88 = 5,017.94 : x
2. Step 2: Convert to fraction form
   10,857.50/16,274.88 = 5,017.94/x
3. Step 3: Cross multiply
   10,857.50x = 16,274.88 × 5,017.94
4. Step 4: Simplify right side
   10,857.50x = 81,666,371.35
5. Step 5: Solve for x
   x = 81,666,371.35/10,857.50
6. Step 6: Final answer
   x = 7,521.66