Finding the Fourth Proportional to 54,538.49, 81,808.73 and 17,097.72

Step by Step Solution

1. Step 1: Write the proportion equation
   54,538.49 : 81,808.73 = 17,097.72 : x
2. Step 2: Convert to fraction form
   54,538.49/81,808.73 = 17,097.72/x
3. Step 3: Cross multiply
   54,538.49x = 81,808.73 × 17,097.72
4. Step 4: Simplify right side
   54,538.49x = 1,398,742,673.61
5. Step 5: Solve for x
   x = 1,398,742,673.61/54,538.49
6. Step 6: Final answer
   x = 25,646.89