Finding the Fourth Proportional to 7,090.78, 10,635.12 and 2,410.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,090.78 : 10,635.12 = 2,410.72 : x
2. Step 2: Convert to fraction form
   7,090.78/10,635.12 = 2,410.72/x
3. Step 3: Cross multiply
   7,090.78x = 10,635.12 × 2,410.72
4. Step 4: Simplify right side
   7,090.78x = 25,638,296.49
5. Step 5: Solve for x
   x = 25,638,296.49/7,090.78
6. Step 6: Final answer
   x = 3,615.72