Finding the Fourth Proportional to 89,888.48, 134,861.84 and 43,144.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,888.48 : 134,861.84 = 43,144.96 : x
2. Step 2: Convert to fraction form
   89,888.48/134,861.84 = 43,144.96/x
3. Step 3: Cross multiply
   89,888.48x = 134,861.84 × 43,144.96
4. Step 4: Simplify right side
   89,888.48x = 5,818,608,692.33
5. Step 5: Solve for x
   x = 5,818,608,692.33/89,888.48
6. Step 6: Final answer
   x = 64,731.42