Finding the Fourth Proportional to 10,818.11, 14,920.34 and 7,460.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.11 : 14,920.34 = 7,460.16 : x
2. Step 2: Convert to fraction form
   10,818.11/14,920.34 = 7,460.16/x
3. Step 3: Cross multiply
   10,818.11x = 14,920.34 × 7,460.16
4. Step 4: Simplify right side
   10,818.11x = 111,308,086.35
5. Step 5: Solve for x
   x = 111,308,086.35/10,818.11
6. Step 6: Final answer
   x = 10,289.06