Finding the Fourth Proportional to 13,042.64, 19,556.64 and 4,276.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,042.64 : 19,556.64 = 4,276.82 : x
2. Step 2: Convert to fraction form
   13,042.64/19,556.64 = 4,276.82/x
3. Step 3: Cross multiply
   13,042.64x = 19,556.64 × 4,276.82
4. Step 4: Simplify right side
   13,042.64x = 83,640,131.30
5. Step 5: Solve for x
   x = 83,640,131.30/13,042.64
6. Step 6: Final answer
   x = 6,412.82