Finding the Fourth Proportional to 48,799.67, 67,318.82 and 30,864.47

Step by Step Solution

1. Step 1: Write the proportion equation
   48,799.67 : 67,318.82 = 30,864.47 : x
2. Step 2: Convert to fraction form
   48,799.67/67,318.82 = 30,864.47/x
3. Step 3: Cross multiply
   48,799.67x = 67,318.82 × 30,864.47
4. Step 4: Simplify right side
   48,799.67x = 2,077,759,546.00
5. Step 5: Solve for x
   x = 2,077,759,546.00/48,799.67
6. Step 6: Final answer
   x = 42,577.33