Finding the Fourth Proportional to 89,257.86, 123,174.78 and 48,971.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,257.86 : 123,174.78 = 48,971.96 : x
2. Step 2: Convert to fraction form
   89,257.86/123,174.78 = 48,971.96/x
3. Step 3: Cross multiply
   89,257.86x = 123,174.78 × 48,971.96
4. Step 4: Simplify right side
   89,257.86x = 6,032,110,399.17
5. Step 5: Solve for x
   x = 6,032,110,399.17/89,257.86
6. Step 6: Final answer
   x = 67,580.72