Finding the Fourth Proportional to 89,871.03, 134,806.59 and 30,707.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,871.03 : 134,806.59 = 30,707.28 : x
2. Step 2: Convert to fraction form
   89,871.03/134,806.59 = 30,707.28/x
3. Step 3: Cross multiply
   89,871.03x = 134,806.59 × 30,707.28
4. Step 4: Simplify right side
   89,871.03x = 4,139,543,704.98
5. Step 5: Solve for x
   x = 4,139,543,704.98/89,871.03
6. Step 6: Final answer
   x = 46,060.94