Finding the Fourth Proportional to 10,842.32, 16,262.12 and 2,945.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,842.32 : 16,262.12 = 2,945.46 : x
2. Step 2: Convert to fraction form
   10,842.32/16,262.12 = 2,945.46/x
3. Step 3: Cross multiply
   10,842.32x = 16,262.12 × 2,945.46
4. Step 4: Simplify right side
   10,842.32x = 47,899,423.98
5. Step 5: Solve for x
   x = 47,899,423.98/10,842.32
6. Step 6: Final answer
   x = 4,417.82