Finding the Fourth Proportional to 89,165.61, 123,048.45 and 48,879.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,165.61 : 123,048.45 = 48,879.72 : x
2. Step 2: Convert to fraction form
   89,165.61/123,048.45 = 48,879.72/x
3. Step 3: Cross multiply
   89,165.61x = 123,048.45 × 48,879.72
4. Step 4: Simplify right side
   89,165.61x = 6,014,573,782.43
5. Step 5: Solve for x
   x = 6,014,573,782.43/89,165.61
6. Step 6: Final answer
   x = 67,453.96