Finding the Fourth Proportional to 17,648.79, 26,467.31 and 7,116.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,648.79 : 26,467.31 = 7,116.09 : x
2. Step 2: Convert to fraction form
   17,648.79/26,467.31 = 7,116.09/x
3. Step 3: Cross multiply
   17,648.79x = 26,467.31 × 7,116.09
4. Step 4: Simplify right side
   17,648.79x = 188,343,638.53
5. Step 5: Solve for x
   x = 188,343,638.53/17,648.79
6. Step 6: Final answer
   x = 10,671.76