Finding the Fourth Proportional to 7,802.34, 10,816.73 and 7,381.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,802.34 : 10,816.73 = 7,381.55 : x
2. Step 2: Convert to fraction form
   7,802.34/10,816.73 = 7,381.55/x
3. Step 3: Cross multiply
   7,802.34x = 10,816.73 × 7,381.55
4. Step 4: Simplify right side
   7,802.34x = 79,844,142.34
5. Step 5: Solve for x
   x = 79,844,142.34/7,802.34
6. Step 6: Final answer
   x = 10,233.36