Finding the Fourth Proportional to 89,871.12, 134,806.55 and 30,707.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,871.12 : 134,806.55 = 30,707.24 : x
2. Step 2: Convert to fraction form
   89,871.12/134,806.55 = 30,707.24/x
3. Step 3: Cross multiply
   89,871.12x = 134,806.55 × 30,707.24
4. Step 4: Simplify right side
   89,871.12x = 4,139,536,256.85
5. Step 5: Solve for x
   x = 4,139,536,256.85/89,871.12
6. Step 6: Final answer
   x = 46,060.81