Finding the Fourth Proportional to 89,142.66, 123,017.84 and 48,855.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,142.66 : 123,017.84 = 48,855.56 : x
2. Step 2: Convert to fraction form
   89,142.66/123,017.84 = 48,855.56/x
3. Step 3: Cross multiply
   89,142.66x = 123,017.84 × 48,855.56
4. Step 4: Simplify right side
   89,142.66x = 6,010,104,603.82
5. Step 5: Solve for x
   x = 6,010,104,603.82/89,142.66
6. Step 6: Final answer
   x = 67,421.19