Finding the Fourth Proportional to 13,100.22, 19,653.21 and 3,866.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,100.22 : 19,653.21 = 3,866.94 : x
2. Step 2: Convert to fraction form
   13,100.22/19,653.21 = 3,866.94/x
3. Step 3: Cross multiply
   13,100.22x = 19,653.21 × 3,866.94
4. Step 4: Simplify right side
   13,100.22x = 75,997,783.88
5. Step 5: Solve for x
   x = 75,997,783.88/13,100.22
6. Step 6: Final answer
   x = 5,801.26