Finding the Fourth Proportional to 89,867.98, 134,817.82 and 30,689.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,867.98 : 134,817.82 = 30,689.78 : x
2. Step 2: Convert to fraction form
   89,867.98/134,817.82 = 30,689.78/x
3. Step 3: Cross multiply
   89,867.98x = 134,817.82 × 30,689.78
4. Step 4: Simplify right side
   89,867.98x = 4,137,529,235.88
5. Step 5: Solve for x
   x = 4,137,529,235.88/89,867.98
6. Step 6: Final answer
   x = 46,040.08