Finding the Fourth Proportional to 13,076.42, 19,603.60 and 5,675.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,076.42 : 19,603.60 = 5,675.31 : x
2. Step 2: Convert to fraction form
   13,076.42/19,603.60 = 5,675.31/x
3. Step 3: Cross multiply
   13,076.42x = 19,603.60 × 5,675.31
4. Step 4: Simplify right side
   13,076.42x = 111,256,507.12
5. Step 5: Solve for x
   x = 111,256,507.12/13,076.42
6. Step 6: Final answer
   x = 8,508.18