Finding the Fourth Proportional to 10,090.50, 15,135.91 and 2,794.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,090.50 : 15,135.91 = 2,794.50 : x
2. Step 2: Convert to fraction form
   10,090.50/15,135.91 = 2,794.50/x
3. Step 3: Cross multiply
   10,090.50x = 15,135.91 × 2,794.50
4. Step 4: Simplify right side
   10,090.50x = 42,297,300.50
5. Step 5: Solve for x
   x = 42,297,300.50/10,090.50
6. Step 6: Final answer
   x = 4,191.79