Finding the Fourth Proportional to 10,764.81, 14,869.56 and 7,401.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,764.81 : 14,869.56 = 7,401.80 : x
2. Step 2: Convert to fraction form
   10,764.81/14,869.56 = 7,401.80/x
3. Step 3: Cross multiply
   10,764.81x = 14,869.56 × 7,401.80
4. Step 4: Simplify right side
   10,764.81x = 110,061,434.86
5. Step 5: Solve for x
   x = 110,061,434.86/10,764.81
6. Step 6: Final answer
   x = 10,224.19