Finding the Fourth Proportional to 10,976.42, 16,465.40 and 4,402.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,976.42 : 16,465.40 = 4,402.61 : x
2. Step 2: Convert to fraction form
   10,976.42/16,465.40 = 4,402.61/x
3. Step 3: Cross multiply
   10,976.42x = 16,465.40 × 4,402.61
4. Step 4: Simplify right side
   10,976.42x = 72,490,733.37
5. Step 5: Solve for x
   x = 72,490,733.37/10,976.42
6. Step 6: Final answer
   x = 6,604.22