Finding the Fourth Proportional to 30,893.67, 42,617.59 and 19,544.05

Step by Step Solution

1. Step 1: Write the proportion equation
   30,893.67 : 42,617.59 = 19,544.05 : x
2. Step 2: Convert to fraction form
   30,893.67/42,617.59 = 19,544.05/x
3. Step 3: Cross multiply
   30,893.67x = 42,617.59 × 19,544.05
4. Step 4: Simplify right side
   30,893.67x = 832,920,424.19
5. Step 5: Solve for x
   x = 832,920,424.19/30,893.67
6. Step 6: Final answer
   x = 26,960.88