Finding the Fourth Proportional to 7,178.90, 10,763.69 and 2,796.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,178.90 : 10,763.69 = 2,796.80 : x
2. Step 2: Convert to fraction form
   7,178.90/10,763.69 = 2,796.80/x
3. Step 3: Cross multiply
   7,178.90x = 10,763.69 × 2,796.80
4. Step 4: Simplify right side
   7,178.90x = 30,103,820.39
5. Step 5: Solve for x
   x = 30,103,820.39/7,178.90
6. Step 6: Final answer
   x = 4,193.38