Finding the Fourth Proportional to 89,145.69, 123,020.48 and 48,861.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,145.69 : 123,020.48 = 48,861.96 : x
2. Step 2: Convert to fraction form
   89,145.69/123,020.48 = 48,861.96/x
3. Step 3: Cross multiply
   89,145.69x = 123,020.48 × 48,861.96
4. Step 4: Simplify right side
   89,145.69x = 6,011,021,848.48
5. Step 5: Solve for x
   x = 6,011,021,848.48/89,145.69
6. Step 6: Final answer
   x = 67,429.19