Finding the Fourth Proportional to 89,338.12, 123,286.70 and 53,046.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,338.12 : 123,286.70 = 53,046.81 : x
2. Step 2: Convert to fraction form
   89,338.12/123,286.70 = 53,046.81/x
3. Step 3: Cross multiply
   89,338.12x = 123,286.70 × 53,046.81
4. Step 4: Simplify right side
   89,338.12x = 6,539,966,150.43
5. Step 5: Solve for x
   x = 6,539,966,150.43/89,338.12
6. Step 6: Final answer
   x = 73,204.65