Finding the Fourth Proportional to 10,870.94, 16,282.96 and 7,341.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.94 : 16,282.96 = 7,341.57 : x
2. Step 2: Convert to fraction form
   10,870.94/16,282.96 = 7,341.57/x
3. Step 3: Cross multiply
   10,870.94x = 16,282.96 × 7,341.57
4. Step 4: Simplify right side
   10,870.94x = 119,542,472.29
5. Step 5: Solve for x
   x = 119,542,472.29/10,870.94
6. Step 6: Final answer
   x = 10,996.51