Finding the Fourth Proportional to 89,275.58, 123,200.50 and 48,989.66

Step by Step Solution

1. Step 1: Write the proportion equation
   89,275.58 : 123,200.50 = 48,989.66 : x
2. Step 2: Convert to fraction form
   89,275.58/123,200.50 = 48,989.66/x
3. Step 3: Cross multiply
   89,275.58x = 123,200.50 × 48,989.66
4. Step 4: Simplify right side
   89,275.58x = 6,035,550,606.83
5. Step 5: Solve for x
   x = 6,035,550,606.83/89,275.58
6. Step 6: Final answer
   x = 67,605.84