Finding the Fourth Proportional to 59,809.59, 89,693.33 and 17,678.45

Step by Step Solution

1. Step 1: Write the proportion equation
   59,809.59 : 89,693.33 = 17,678.45 : x
2. Step 2: Convert to fraction form
   59,809.59/89,693.33 = 17,678.45/x
3. Step 3: Cross multiply
   59,809.59x = 89,693.33 × 17,678.45
4. Step 4: Simplify right side
   59,809.59x = 1,585,639,185.58
5. Step 5: Solve for x
   x = 1,585,639,185.58/59,809.59
6. Step 6: Final answer
   x = 26,511.45