Finding the Fourth Proportional to 89,692.56, 134,499.96 and 30,512.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,692.56 : 134,499.96 = 30,512.34 : x
2. Step 2: Convert to fraction form
   89,692.56/134,499.96 = 30,512.34/x
3. Step 3: Cross multiply
   89,692.56x = 134,499.96 × 30,512.34
4. Step 4: Simplify right side
   89,692.56x = 4,103,908,509.51
5. Step 5: Solve for x
   x = 4,103,908,509.51/89,692.56
6. Step 6: Final answer
   x = 45,755.28