Finding the Fourth Proportional to 10,867.32, 16,292.34 and 4,707

Step by Step Solution

1. Step 1: Write the proportion equation
   10,867.32 : 16,292.34 = 4,707 : x
2. Step 2: Convert to fraction form
   10,867.32/16,292.34 = 4,707/x
3. Step 3: Cross multiply
   10,867.32x = 16,292.34 × 4,707
4. Step 4: Simplify right side
   10,867.32x = 76,688,044.38
5. Step 5: Solve for x
   x = 76,688,044.38/10,867.32
6. Step 6: Final answer
   x = 7,056.76