Finding the Fourth Proportional to 10,957.42, 16,425.06 and 4,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,957.42 : 16,425.06 = 4,721.50 : x
2. Step 2: Convert to fraction form
   10,957.42/16,425.06 = 4,721.50/x
3. Step 3: Cross multiply
   10,957.42x = 16,425.06 × 4,721.50
4. Step 4: Simplify right side
   10,957.42x = 77,550,920.79
5. Step 5: Solve for x
   x = 77,550,920.79/10,957.42
6. Step 6: Final answer
   x = 7,077.48