Finding the Fourth Proportional to 89,142.16, 123,017.15 and 48,855.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,142.16 : 123,017.15 = 48,855.06 : x
2. Step 2: Convert to fraction form
   89,142.16/123,017.15 = 48,855.06/x
3. Step 3: Cross multiply
   89,142.16x = 123,017.15 × 48,855.06
4. Step 4: Simplify right side
   89,142.16x = 6,010,009,676.64
5. Step 5: Solve for x
   x = 6,010,009,676.64/89,142.16
6. Step 6: Final answer
   x = 67,420.51