Finding the Fourth Proportional to 59,658, 89,487.72 and 26,826

Step by Step Solution

1. Step 1: Write the proportion equation
   59,658 : 89,487.72 = 26,826 : x
2. Step 2: Convert to fraction form
   59,658/89,487.72 = 26,826/x
3. Step 3: Cross multiply
   59,658x = 89,487.72 × 26,826
4. Step 4: Simplify right side
   59,658x = 2,400,597,576.72
5. Step 5: Solve for x
   x = 2,400,597,576.72/59,658
6. Step 6: Final answer
   x = 40,239.32