Finding the Fourth Proportional to 13,042.31, 17,992.41 and 7,735.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,042.31 : 17,992.41 = 7,735.19 : x
2. Step 2: Convert to fraction form
   13,042.31/17,992.41 = 7,735.19/x
3. Step 3: Cross multiply
   13,042.31x = 17,992.41 × 7,735.19
4. Step 4: Simplify right side
   13,042.31x = 139,174,709.91
5. Step 5: Solve for x
   x = 139,174,709.91/13,042.31
6. Step 6: Final answer
   x = 10,671.02