Finding the Fourth Proportional to 17,638.32, 26,467.58 and 7,113.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,638.32 : 26,467.58 = 7,113.16 : x
2. Step 2: Convert to fraction form
   17,638.32/26,467.58 = 7,113.16/x
3. Step 3: Cross multiply
   17,638.32x = 26,467.58 × 7,113.16
4. Step 4: Simplify right side
   17,638.32x = 188,268,131.35
5. Step 5: Solve for x
   x = 188,268,131.35/17,638.32
6. Step 6: Final answer
   x = 10,673.81