Finding the Fourth Proportional to 89,376.95, 123,342.32 and 48,542.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,376.95 : 123,342.32 = 48,542.72 : x
2. Step 2: Convert to fraction form
   89,376.95/123,342.32 = 48,542.72/x
3. Step 3: Cross multiply
   89,376.95x = 123,342.32 × 48,542.72
4. Step 4: Simplify right side
   89,376.95x = 5,987,371,208.56
5. Step 5: Solve for x
   x = 5,987,371,208.56/89,376.95
6. Step 6: Final answer
   x = 66,990.10