Finding the Fourth Proportional to 89,818.41, 134,766.50 and 48,216.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,818.41 : 134,766.50 = 48,216.81 : x
2. Step 2: Convert to fraction form
   89,818.41/134,766.50 = 48,216.81/x
3. Step 3: Cross multiply
   89,818.41x = 134,766.50 × 48,216.81
4. Step 4: Simplify right side
   89,818.41x = 6,498,010,483.78
5. Step 5: Solve for x
   x = 6,498,010,483.78/89,818.41
6. Step 6: Final answer
   x = 72,346.09