Finding the Fourth Proportional to 59,910.79, 89,880.02 and 17,789.94

Step by Step Solution

1. Step 1: Write the proportion equation
   59,910.79 : 89,880.02 = 17,789.94 : x
2. Step 2: Convert to fraction form
   59,910.79/89,880.02 = 17,789.94/x
3. Step 3: Cross multiply
   59,910.79x = 89,880.02 × 17,789.94
4. Step 4: Simplify right side
   59,910.79x = 1,598,960,163.00
5. Step 5: Solve for x
   x = 1,598,960,163.00/59,910.79
6. Step 6: Final answer
   x = 26,689.02