Finding the Fourth Proportional to 42,938.07, 64,396.62 and 33,554.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,938.07 : 64,396.62 = 33,554.82 : x
2. Step 2: Convert to fraction form
   42,938.07/64,396.62 = 33,554.82/x
3. Step 3: Cross multiply
   42,938.07x = 64,396.62 × 33,554.82
4. Step 4: Simplify right side
   42,938.07x = 2,160,816,992.71
5. Step 5: Solve for x
   x = 2,160,816,992.71/42,938.07
6. Step 6: Final answer
   x = 50,324.04