Finding the Fourth Proportional to 89,745.42, 134,624.28 and 30,561.10

Step by Step Solution

1. Step 1: Write the proportion equation
   89,745.42 : 134,624.28 = 30,561.10 : x
2. Step 2: Convert to fraction form
   89,745.42/134,624.28 = 30,561.10/x
3. Step 3: Cross multiply
   89,745.42x = 134,624.28 × 30,561.10
4. Step 4: Simplify right side
   89,745.42x = 4,114,265,689.65
5. Step 5: Solve for x
   x = 4,114,265,689.65/89,745.42
6. Step 6: Final answer
   x = 45,843.74