Finding the Fourth Proportional to 17,218.52, 25,836.67 and 7,355.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,218.52 : 25,836.67 = 7,355.15 : x
2. Step 2: Convert to fraction form
   17,218.52/25,836.67 = 7,355.15/x
3. Step 3: Cross multiply
   17,218.52x = 25,836.67 × 7,355.15
4. Step 4: Simplify right side
   17,218.52x = 190,032,705.58
5. Step 5: Solve for x
   x = 190,032,705.58/17,218.52
6. Step 6: Final answer
   x = 11,036.53