Finding the Fourth Proportional to 17,606.54, 26,410.62 and 7,211

Step by Step Solution

1. Step 1: Write the proportion equation
   17,606.54 : 26,410.62 = 7,211 : x
2. Step 2: Convert to fraction form
   17,606.54/26,410.62 = 7,211/x
3. Step 3: Cross multiply
   17,606.54x = 26,410.62 × 7,211
4. Step 4: Simplify right side
   17,606.54x = 190,446,980.82
5. Step 5: Solve for x
   x = 190,446,980.82/17,606.54
6. Step 6: Final answer
   x = 10,816.83