Finding the Fourth Proportional to 8,705.48, 13,058.01 and 2,131.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,705.48 : 13,058.01 = 2,131.62 : x
2. Step 2: Convert to fraction form
   8,705.48/13,058.01 = 2,131.62/x
3. Step 3: Cross multiply
   8,705.48x = 13,058.01 × 2,131.62
4. Step 4: Simplify right side
   8,705.48x = 27,834,666.31
5. Step 5: Solve for x
   x = 27,834,666.31/8,705.48
6. Step 6: Final answer
   x = 3,197.37