Finding the Fourth Proportional to 59,688.72, 89,523.34 and 17,558.94

Step by Step Solution

1. Step 1: Write the proportion equation
   59,688.72 : 89,523.34 = 17,558.94 : x
2. Step 2: Convert to fraction form
   59,688.72/89,523.34 = 17,558.94/x
3. Step 3: Cross multiply
   59,688.72x = 89,523.34 × 17,558.94
4. Step 4: Simplify right side
   59,688.72x = 1,571,935,309.21
5. Step 5: Solve for x
   x = 1,571,935,309.21/59,688.72
6. Step 6: Final answer
   x = 26,335.55