Finding the Fourth Proportional to 89,142.94, 123,018.20 and 48,855.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,142.94 : 123,018.20 = 48,855.81 : x
2. Step 2: Convert to fraction form
   89,142.94/123,018.20 = 48,855.81/x
3. Step 3: Cross multiply
   89,142.94x = 123,018.20 × 48,855.81
4. Step 4: Simplify right side
   89,142.94x = 6,010,153,805.74
5. Step 5: Solve for x
   x = 6,010,153,805.74/89,142.94
6. Step 6: Final answer
   x = 67,421.53